Astronomy Podcasts

Listen to great podcasts with interviews and discussions associated with astronomical news and theories.

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Crew Dragon Triumphant, and a Planetary Society Founder RemembersAstronaut and former SpaceX director of space operations Garrett Reisman returns to help us celebrate and appreciate the just-completed first crewed mission by a Crew Dragon capsule.

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Blowing Off SteamA star in.

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Episode 271: The DominatorSpaceflight news — Mars Perseverance and Ingenuity on their way to Mars. — SHERLOC calibration target includes spacesuit samples — Crew Dragon is coming home.

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288.3. Snippet_ISS to the Moon?Re-purposing has its limits.

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Out Of This World: Building Helicopters To Explore The Solar SystemNASA's Mars Perseverance rover launched last week carrying a stow-away - a tiny helicopter named Ingenuity.

Are We There Yet? Shared .

88E-100-Where Extension Cords Can't ReachMarie Curie's discovery of radioactivity started humans on a path which so far has skirted annihilation and has led to cures for cancer and the exploration of the distant regions of our solar system.

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AaS! 133: How do we know the Earth is curved?Is a debate even worth it? I discuss these questions and more in today's Ask a Spaceman!

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ScorpiusUnder even a moderately dark sky, it's not hard at all to see the outline of a scorpion.

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Cosmic QueriesNeil deGrasse Tyson and Chuck Nice answer Cosmic Queries about colonizing Mars, promoting science, stimulating curiosity, stargazing, and more for a remote audience of thousands of science teachers.

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Mars at PerihelionAs it warms, frozen carbon dioxide atop the polar ice caps begins to vaporize. It rushes into the atmosphere, making it thicker.

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Moon and SaturnIf you want to escape the summer heat by plunging into a cool lake or sea, there are only two places in the solar system to do so: Earth, and Titan, the largest moon of Saturn.

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Moon and PlanetsIn 1976, a Soviet robotic lander brought back 170 grams of dirt from the Sea of Crises.

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August 2020 Part 1The Discussion : This month astrologers are getting upset about their tattoos; why the Babylonians are at fault for ruining the majesty of astrology; Jeni spreads the astronomy word on the BBC; her latest research paper nears peer review; Paul continues promoting space education in schools and we have a chat about sparking science interest in kids.

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Making a PhenomTo wrap up our "Making a Phenom' mini-series, Neil deGrasse Tyson and co-hosts Gary O'Reilly and Chuck Nice explore the ethics of technology in sports with author Rayvon Fouché, PhD, and bioethicist Arthur Caplan, > NOTE: StarTalk+ Patrons and All-Access subscribers can watch or listen to this entire episode > Image Credit : Michael Jordan:...

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August 2020: Planets and PerseidsThe Perseids are upon us — and as you're looking out for shooting stars, look for Jupiter and Saturn low in the southeast as soon as night begins to fall.

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599-Path to MarsThe human thirst for knowledge about our mysterious next door neighbor is about to receive more than a sip from robotic emissaries launched in 2020.

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Eating DustBefore the first Apollo astronauts landed on the Moon, some scientists were concerned they might bring back dangerous microscopic organisms.

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Shorter DaysResearchers recently used lasers to count the growth rings in the fossils of a type of clam.

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Hope Leads the Way to MarsAn exclusive conversation with science lead Sarah Al Amiri and project director Omran Sharaf of the Emirates Mars Mission.

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Moon and AntaresA cooler gas emits less overall energy than a hotter gas. So each square foot of Antares emits much less energy than the same area of the Sun.

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Episode 270: A Little to The LeftSpaceflight news — Progress MS-15 encounters KURS docking issue. Short and Sweet — Astra will make another attempt at orbit — LauncherOne failure update — NASA still has concerns with Starliner.

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Space News RoundupAstronaut splash downs, Martian missions and a new Mission:Impossible movie shot in space - there's a lot going on up there.

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Liftoff 129: Dirt in a Soccer BallMars 2020 is set to launch in just a few days, and should be followed by the splashdown of the Commercial Crew Demo-2 mission.

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87E-99-Peppered By Space RocksIt appears that the human population is at more at risk from smaller rather than larger Earth impacting asteroids.

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Brighter VegaLike all the stars we see in the night sky, though, Vega is on the move.

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288.2. Snippet_Planets around black holesPossible worlds, though not likely ones.

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Busy VegaVega is about twice the size and mass of the Sun. Perhaps because of its youth, though, the star spins more than a hundred times faster than the Sun does at the equator.

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Epsilon LyraeThe pairs are known as Epsilon 1 and Epsilon 2 Lyrae. At nightfall, they stand close to the lower left of Vega, one of summer's brightest stars, which is high in the east.

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The End of Everything: interview with US cosmologist Katie MackHave you ever wondered how the Universe will end? We spoke to Dr Katie Mack to find out what it means to contemplate the final days of the cosmos.

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Hercules GalaxiesMany of the cluster's galaxies are interacting. Groups of two or three galaxies are passing so close together that their gravity rips out big ribbons of stars, and causes clouds of gas and dust to collapse to create more stars.

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598-Illusive AsteroidsMy Catalina Sky Survey teammate Hannes Groeller was observing in the constellation of Boötes with our 60 telescope on Mt. Lemmon, Arizona when he discovered a potentially hazardous asteroid which had evaded being spotted by the asteroid hunting community on four previous occasions.

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Hunting by GravityFlush with that success, astronomers tried to find another planet. They'd plotted some odd things about the orbit of Mercury, the Sun's closest planet - suggesting there might be a planet even closer to the Sun.

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Operation OvercastThe issue of Life magazine published 75 years ago today featured an.

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A Mars Mission Begins, a Comet Exits, and the Future of Planetary ScienceThe United Arab Emirates Hope spacecraft has begun its journey to Mars. We'll join a virtual launch party attended by mission leaders, NASA Administrator Jim Bridenstine, National Air and Space Museum director Ellen Stofan and others.

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Morning MercuryThe young solar system was a dangerous place for planets. Several of today's worlds got blasted by other planets.

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Episode 269: DOWNLINKSpaceflight news — Dream Chaser trunk, Shooting Star, finds its own life. Short and Sweet — Hayabusa2 now has a sample return date!

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What Does Mars Sound Like? NASA Is Sending A Microphone To The Red PlanetThe next Mars rover will have something no other Mars rover has ever had - a microphone.

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86E-98-Small Objects Visiting Our NeighborhoodEvery month we discover small asteroids which come closer than the Moon. There are probably 20 million asteroids in this size range which come near the Earth.

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Comet NeoWiseNeoWise will be on display in the second half of July and into August. It'll be in the northwest as darkness falls, passing below and then beside the Big Dipper.

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AaS! 132: What did Einstein get wrong?Was Einstein ever wrong? How did he miss out on a major prediction for the universe?

Ask a Spaceman! Shared .

Saturn at Opposition IIIStarDate, the longest-running national radio science feature in the U.S., tells listeners what to look for in the night sky.

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Saturn at Opposition IIEvery planet orbits the Sun in the same direction. If you viewed the solar system from above the Sun's north pole, they'd all be moving counterclockwise.

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288.1. Snippet_Pets in spaceCheap Astronomy offers you 10 minute weekly podcasts on a wide range of astronomy, astrophysics, cosmology, space science and space exploration topics.

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Saturn at OppositionIf planets had feelings, then.

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Future North PolesPerhaps the most famous star in the night sky is Polaris. It's not especially bright or close by.

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597-Aging SatellitesIf we don't place some new space weather observing satellites into orbit it is possible that you will wake up one day to no electricity, no cell phone, no way to pump gas, and no way to pay for things with a credit card.

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Heading for Mars IVMars is getting crowded. As of late May, eight probes were operating on the surface or in orbit around the Red Planet.

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The edge of the Solar SystemWhat even is 'the edge'? How do we know it's there? In this month's episode we take a look at the outer limits of our planetary neighbourhood.

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Heading for Mars IIINASA's next Mars rover will have a lot on its plate. It will scour an ancient lakebed for signs of life.

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3 Billion Years Ago: Was Mars Alive?Perseverance, NASA's 2020 rover, leaves for the Red Planet in just days. Deputy project scientist Ken Williford tells us how it will look for signs of past life where there was once a Martian lake.

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Heading for Mars IIOne of the main reasons for exploring Mars is to hunt for life, past or present - especially microscopic life.

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Episode 268: 80 Corrective ActionsSpaceflight news — Starliner has more work to do — Starship construction update. Short and Sweet — X-ray space telescope's launch date delayed.

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July 2020 Part 2The Discussion :. Main news story: Getting ready to launch the biggest ever rover to Mars.

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It's The Summer Of MarsThree spacecraft are heading to the red planet. Rovers from NASA and China, as well as an orbiter from the United Arab Emirates.

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Liftoff 128: Summer of MarsThere are three missions bound for Mars launching this month, and Jason walks through them each.

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85E-97-A Large Strange OneRecently my, University of Arizona, Catalina Sky Survey, teammate, Jess Johnson, was searching for Earth Approaching asteroids when he discovered a faint slow moving object in the night sky.

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Cluster Special: marking 20 years of the European solar mission16th July 2020 marks 20 years since the launch of the European Space Agency's Cluster mission.

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2020 Missions to MarsMars is the destination of choice for three Mars missions this summer, with the US, China and the United Arab Emirates all preparing for launch.

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Heading for MarsThe United Arab Emirates has a lofty goal. It wants to have a settlement on.

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Technology and Us, with Ainissa RamirezDo we control technology or does technology control us? Neil deGrasse Tyson, comic co-host Negin Farsad, and material scientist and author Ainissa Ramirez, PhD, answer fan-submitted Cosmic Queries and explore how technology has shaped our > NOTE: StarTalk+ Patrons and All-Access subscribers can watch or listen to this entire episode...

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Jupiter at Opposition IIYou just can't block a good storm. On, for example, a storm as big as Texas muscled its way into a ring of even bigger storms.

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Jupiter at OppositionThe planet.

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288. Dear Cheap AstronomyWe are going back to the Moon... sometime.

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Great AppearancesTomorrow's dawn sky is packed with beautiful pairings. They involve the Moon, one bright star, and four brighter planets.

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596-Next Solar CycleIf the current trend in 11 year solar cycles for the past 50 years continues, we can expect lower than average solar activity and the Earth will continue to receive less than average amounts of solar energy over the next decade.

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Moon and MarsThe volcanoes could be responsible for the cracks, which are only a few million years old.

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Venus and AldebaranAt first light tomorrow, Venus, the morning star, will stand directly above Aldebaran, the star that marks the eye of Taurus.

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To Pluto and Beyond with Alan SternIt has been 5 years since the New Horizons probe revealed beautiful, surprising Pluto, and 18 months since it showed us the odd little body now known as Arrokoth.

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Galactic UfoEven so, it's the brightest "quasar" within billions of light-years. It's powered by a black hole that's a billion times the mass of the Sun.

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Episode 267: DOWNLINKSpaceflight news — Perseverance launch slips again. — Centaur has been repaired. Short and Sweet — Rocket Lab suffers second-stage failure and loss of vehicle.

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The Deep Space EconomyCommercial space is booming - fueled by fresh cash, lots of new rockets and a change in how NASA works with private companies.

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84E-96-Target AsteroidsMany scientists have been started on their career paths by an interest in astronomy and the mysteries of space.

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AaS! 131: What's so cool about the TRAPPIST-1 system?Is it really habitable? How are we figuring all this out? I discuss these questions and more in today's Ask a Spaceman!

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Red SquareA study last year, for example, said the system probably consists of two stars. The main star is about 15 times the mass of the Sun.

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Coronavirus and Conspiracy Theories, with Michael ShermerNeil deGrasse Tyson, comic co-host Chuck Nice, and Michael Shermer, author and Founding Publisher of Skeptic Magazine, investigate the rise of conspiracy theories during the COVID-19 > NOTE: StarTalk+ Patrons and All-Access subscribers can watch or listen to this entire episode commercial-free here: > Thanks to our Patrons Sami Succar, Kaleb...

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Serpens NurseriesMost of the stars in these clusters are small and faint. But a few are members of the most impressive classes of stars.

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Short-Night MoonWe see so little of tonight's Moon because the Sun and the full Moon are like two people on a seesaw - when one is up, the other is down.

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287.3. horizonsThe edges of the knowable.

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Making a Phenom: The MindIn Episode Two of our 'Making a Phenom' mini-series, host Neil deGrasse Tyson and co-hosts Gary O'Reilly and Chuck Nice investigate the brain of an elite athlete with neuroscientist Heather Berlin, PhD, and kinesiologist and author Joan Vickers, > NOTE: StarTalk+ Patrons and All-Access subscribers can watch or listen to this entire episode...

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Space Policy Edition: A Trillion-Dollar Space Economy?Dr. Bhavya Lal joins the show to discuss the size of the space economy, where it's going, and how the term itself can mean many different things to many different people.

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595-Monster CometMy Catalina Sky Survey teammate Teddy Pruyne was asteroid hunting in the constellation of Pegasus with our Schmidt telescope on Mt. Bigelow, Arizona when he discovered an unusually bright new comet.

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Jul 3rd: Dr. Andrew Siemion, Director of Berkeley SETI Research CenterWeekly news: the Mars Perseverance landing site, quasars active in the early Universe, why Betelgeuse was dimming, a star just disappeared.

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Faint NeighborsLightweight stars aren't squeezed as tightly, so they consume their fuel at a slower pace.

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Jim Bell Sends New Eyes to MarsMastcam-Z is the main camera system that will soon leave for Mars as part of the Perseverance rover.

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July 2020: Welcome Jupiter and SaturnJuly's 11-minute Sky Tour astronomy podcast describes what to see in the summer sky in a casual, engaging way that your whole family can enjoy.

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Seventh MonthCaesar adopted this system, but he kept the names of the months from the Roman calendar.

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July 2020 Part 1The Discussion : This month Jeni's getting frustrated with the politics of peer review, Paul's seen an uptick in noctilucent cloud hunting and public interest in astronomy in general during lockdown.

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Episode 266: Demo-2 and the SpacewalksSpaceflight news — Demo-2 and spacewalks — Suborbital Crew — SpaceShip Two news. Short and Sweet — ISRO opens up spaceflight to the private sector.

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Space Tourism Promises Fresh Perspective Of Planet EarthAs early as next year, space tourism company Space Perspective will ferry humans to the edge of space using a giant hydrogen-filled balloon.

Are We There Yet? Shared .

Liftoff 127: Wormy Space CoinThis week: black holes doing weird black hole things, a progress report on the SLS and a discussion of how some of NASA's facilities should be renamed.

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83E-95-Phantom Meteor ShowerComet Blanpain was discovered in 1819 and was described as having a small confused nucleus.

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DefinitionsA brown dwarf probably is born in the same way as a star - from the collapse of a cloud of gas and dust.

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Ep. 576: Summer Stargazing SpecialIt's time, once again, for Astronomy Cast to go on hiatus. You've got a couple of months on your own to explore the night sky.

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Shuttle-MirLinks between the two space programs had been growing for several years. Another shuttle had flown around Mir earlier in 1995.

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Moon and SpicaThe temple gained greater fame a few thousand years later. A Greek astronomer noticed that the temple no longer aligned with Spica's rising point.

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LupusSupernova 1006 was different from the kind of supernova that Alpha Lupi will become, though.

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594-Earth GrazerAsteroid hunters have discovered that the Earth encounters many tiny asteroids as it zips around the Sun at 67,000 miles per hour.

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Jun 26th: Elizabeth Howell and Nicholas Booth, The Search for Life on MarsThis week. We have discussion with @howellspace about her book and weekly news round up!

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Nesting StarsThe other cluster, Messier 6, is above M7. It's farther away than M7, so it doesn't look as big or as bright.

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287.2. Snippet_The case for accelerating expansionFaster and faster.

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The StingerThe brighter of the stinger stars is Lambda Scorpii. It's actually a system of three stars.

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China on the Final FrontierLow Earth orbit, the Moon, Mars, even Neptune and the edge of the solar system - China's ambitious plans for space exploration and development are laid out by Planetary Society contributing editor and Chinese space program expert Andrew Jones.

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Moon and RegulusNo matter how unsettled our world gets, there's one thing you can always count on: the clockwork precision of the heavens.

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Episode 265: VIPER Will ZootSpaceflight news — Astrobotic to deliver VIPER rover to Moon. — Some instruments will fly on earlier CLPS payloads — Crew Dragon Endeavour is still nominal.

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Race In SpaceProtests across the country have highlighted systemic racism and turned the national conversation towards equality and justice.

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82E-94-You Are Close To Outer SpaceHow often do you traveled 5, 10, or more miles on a shopping trip? If instead of traveling on the Earth's surface you were to travel 6 miles straight up, to the realm of the jet airliner, you would likely need oxygen to stay conscious.

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Moon and the BeehiveAstronomers have discovered thousands of planets in other star systems. You might think they'd have found many of them in clusters - places where hundreds of stars are close together.

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Ep. 575: Observing the MoonAs amateur astronomers, we curse the Moon every month. Seriously, why doesn't someone get rid of that thing?

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Oort CloudBut that's right next door compared to the farthest objects of all - the members of the Oort Cloud.

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CentaursThe ancients loved creatures that were crosses between humans and something else. One of the favorites of the Greeks, for example, was the centaur.

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Nova VulpeculaDuring the 20th century, astronomers first thought the object was a nova. Such a blast is caused when hot gas stolen from a companion star piles up on a dead star known as a white dwarf.

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Making a Phenom: GeneticsIn Part One of our Making a Phenom mini-series, Neil deGrasse Tyson and co-hosts Gary O'Reilly and Chuck Nice explore sports genetics alongside investigative reporter and author David Epstein and Stuart Kim, PhD, Founder and CEO of > NOTE: StarTalk+ Patrons and All-Access subscribers can watch or listen to this entire episode commercial-free.

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593-Kacpers First CometSpace, Asteroid Hunting, and Astronomy, an insider view. The music is "Eternity" by John Lyell.

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Jun 19th: Dana Backman, Director of NASA Airborne Astronomy AmbassadorsTime for weekly news round up as we have a ring galaxy in the early Universe, a mission to Neptune, the standard model is incomplete, and discussion with Dr. Dana Backman.

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Deflecting asteroids with DART and HeraAhead of Asteroid Day on 30 June, we take a look at NASA's DART and ESA's Hera mission.

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Summer SolsticeAmong other artifacts, the site contains a 12-foot-wide circle of small stones. Two pairs of stones stand across the circle from each other.

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Moon and VenusAs they sped past Venus in June of 1985, each one dropped off a lander and a balloon.

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287.1. Snippet_What's in a black holeCheap Astronomy offers you 10 minute weekly podcasts on a wide range of astronomy, astrophysics, cosmology, space science and space exploration topics.

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LightSail 2: A Year of Solar SailingThe LightSail 2 team and 50,000 supporters around the world will celebrate the little spacecraft's first anniversary on orbit in a few days.

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The Final ParsecAs they get especially close, though, they might hold their positions - never merging to form a single black hole.

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Episode 264: Ad Astra Per JustitiaSpaceflight news — Loverro misconduct update. — Kathy Lueders selected to lead HEO Mission Directorate.

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How NASA's Reliance On Commercial Companies Is Shaping Space ExplorationNASA is relying more and more on the private sector to help its exploration efforts - from building the next moon lander to transporting astronauts to the International Space Station.

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81E-93-Name That AsteroidIt has been traditional for an asteroid to be named by its discoverer. The 1990s were the golden age for private individuals as computerized telescopes and electronic cameras became affordable and readily available.

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AaS! 130: What's the most amazing thing about the universe?How is it all connected? How does universality give physics the power to explain everything?

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Black-Hole WeirdnessIf you were to fall into a black hole a few times the mass of the Sun, for example, your body would be stretched, squeezed, and pulled apart atom by atom.

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Ep. 574: Trojan AsteroidsWe imagine the asteroid belt as the place where all the rocks hang out in the Solar System, but there are two huge bands of asteroids that orbit the Sun with Jupiter called the Trojans.

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Liftoff 126: Astronauts are Really Good at MovingThe crew of Demo-2 are likely working on orbit until August, while here on the ground, COVID-19 is taking its toll on NASA schedules.

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Splashdown!Following the successful Crew Dragon launch, Apollo 8 commander Frank Borman talks about the terrors of splashdown, and Shuttle astronaut and aquanaut Kathy Sullivan describes the choreography of spacewalking.

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June 2020 Part 2The Discussion :. Main news story: American commercial crewed launches have finally arrived. Q&A : Will the Lunar Gateway be visible from Earth?

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Windy Black HolesThe black holes in the hearts of galaxies are millions or billions of times the mass of the Sun.

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Lexell's CometLexell's Comet passed closest to Earth on July 1st. Had it hit our planet, it was big enough to cause destruction on a global scale.

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HayabusaOnce there, it was supposed to drop to the surface and fire some small "bullets" into the asteroid.

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592-InvasionDue to thoughtless outdoor night lighting on the surface and satellites in space the natural night sky is becoming a vanishing treasure.

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More Moon and MarsDust devils could be a problem for future space missions. Recent research suggests that it's not just the wind that picks up the dust.

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Staying Alive in SpaceKeeping humans alive and well in space is hard enough. How will this be accomplished on a 3-year journey to Mars and back?

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CHEOPS: Interview with exoplanet scientist Kate IsaakThe European Space Agency's CHEOPS mission is currently studying planets orbiting distant stars, known as exoplanets.

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Alpha Centauri PlanetsIf you want to find neighbors, you probably start by looking next door, not blocks away.

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287. Dear Cheap AstronomyThis is our near future, unless it doesn't happen.

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James Webb Space Telescope: Finishing The Next Big ObservatoryThe James Webb Space Telescope is nearing the finish line, with a campaign of full systems tests on the horizon.

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80E-92-An Earth Approaching CometMy Catalina Sky Survey teammate Richard Kowalski has discovered an Earth approaching comet that comes within 18 million miles of our home planet.

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Alpha CentauriThere's actually a third star in the Alpha Centauri system - Proxima Centauri - that's a long way from the other two.

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Ep. 573: Exoplanet AtmospheresNot only have astronomers discovered thousands of exoplanets, but they're even starting to study the atmospheres of worlds thousands of light-years away.

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Black Lives MatterSome black voices and hashtags to amplify and listen to.

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Moon and JupiterThe moons Europa, Ganymede, and Callisto appear to have oceans below their icy crusts. Europa is the most intriguing of the moons because its crust is fairly thin - in some places, as little as a mile or two.

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MuscidaRight now, the star's heart is quiet. It's converted its original hydrogen fuel to helium.

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Coronavirus and SportsHow has sports been impacted by the COVID-19 pandemic? Neil deGrasse Tyson explores this and more with co-hosts Gary O'Reilly and Chuck Nice, economist and author Tobias Moskowitz, PhD, and neuroscientist Heather Berlin, > NOTE: StarTalk+ Patrons and All-Access subscribers can watch or listen to this entire episode commercial-free here: >...

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Space Policy Edition: NASA's Gamble Pays OffSpaceX's Crew Dragon safely carried 2 astronauts to the ISS, nearly a decade after NASA made a huge bet on commercial partnerships to solve a problem of access to the space station.

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591-Teddy's First CometOne of the perks of being an asteroid hunter is to discover a comet and have it carry your name.

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Jun 5th: Dr. Paul Matt Sutter: How to Die in SpaceThis week @WSHCrew will discuss with @PaulMattSutter about his new book: How to Die in Space and of course astro news roundup!

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New MissionsVenus is hidden from view - in more ways than one. It's passing between Earth and the Sun right now, so it's hidden in the Sun's glare.

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Crew Dragon Thrills While Mars ChillsThis episode opens with a special message about The Planetary Society's response to recent news, followed by a period of silence that marks the unjust loss of George Floyd and other black men and women.

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Venus DisappearsVenus has gone away for a while. After reigning as the brilliant "evening star" for months, the planet has disappeared in the twilight.

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Inspiration and Innovation: What We Can Learn From SpaceX's Crew Dragon LaunchOn Saturday, SpaceX successfully launched two NASA astronauts from the Kennedy Space Center in Florida on a mission to the International Space Station.

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Liftoff 125: A Sparkly DinosaurThe age of Commercial Crew has arrived, with Doug Hurley and Bob Behnken arriving at the International Space Station safely after riding a Falcon 9 there this weekend.

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Episode 263: Flat ScreenSpaceflight news — Demo-2 mission: Endeavor docks with ISS. — A bell in Unity is rung twice to announce the arrival and departure of vehicles.

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79E-91-Faster Than A Speeding BulletMore powerful than a locomotive. Its not Superman, its a meteoroid. Yes, a volleyball sized stoney meteoroid, which is typically traveling 15 to 60 times faster than a high powered rifle bullet, has 8 times the kinetic energy of a passenger diesel electric locomotive traveling at 100 miles per hour.

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AaS! 129: Did the big bang make black holes?What kind of crazy physics made primordial black holes? What does that have to do with the LIGO observations of merging black holes?

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Heavyweight MergerThe merger probably began when one of the original stars reached the end of its "normal" lifetime.

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286.5. Snippet_Other lifeYep, aliens again.

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Ep. 572: Twists in Planet FormationWe're all looking forward to the next generation of exoplanetary research, where we get to see pictures of planets directly.

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June 2020: Stars of Early SummerOur 10-minute Sky Tour astronomy podcast guides you to planets, stars, and constellations in the early-summer sky in a casual, engaging way that your whole family can enjoy.

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Omega CentauriOmega Centauri is classified as a globular cluster. It's the biggest and brightest in the galaxy.

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June 2020 Part 1The Discussion :. Main News story: Capturing a huge exoplanet - or a low mass star - forming in Auriga.

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Ophiuchan ClustersMessier 14, for example, is a million times the Sun's mass. It doesn't look as bright as M10, though, because it's twice as far.

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OphiuchusOphiuchus is a big constellation. It's low in the sky at nightfall, and stretches all the way from due east to due southeast.

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590-Noctilucent CloudsSee Climate Change! Noctilucent Clouds exist at more than 50 miles above the Earth's surface or about 4 times higher than the tops of the most intense tropical thunder storms.

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May 29th: All the News That's Fit to Podcast!Want to know more? We have Toilets in Space on the news and MeerKAT solving X Galaxy.

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Keeping Time IIIThe second has been the most basic unit of time for millennia - since long before it could even be measured.

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Keeping Time IIA day on Earth consists of 24 hours, 1,440 minutes, or 86,400 seconds. But not all days are equal.

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Celebrating 30 Years of Hubble with Astronaut John GrunsfeldFormer astronaut and NASA Associate Administrator John Grunsfeld is often called the Hubble Repairman. He made three space shuttle trips to the space telescope to repair and upgrade it.

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Keeping TimeKeeping time is a tough job. If you travel, you might cross several time zones - there are 38 of them around the world.

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It's Finally Here: NASA and SpaceX Set To Launch Humans From U.S. For The First Time Since Space ShuttleThe launch of American astronauts from American soil is happening this week with the launch of NASA's Bob Behnken and Doug Hurley on a SpaceX rocket.

Are We There Yet? Shared .

Episode 262: No Loverro LostNASA and SpaceX: Journey to the Future to air May 25 at 9 p.m.

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78E-90-Shine Little Asteroid ShineRecently I was observing with the NASA funded Catalina Sky Survey 60 inch on Mt. Lemmon, Arizona when I discovered a 200 foot diameter asteroid, 2014 SC324.

Travelers In The Night Shared .

Ep. 571: Extreme BinariesWe're familiar with regular binary stars. Two stars orbiting each other. Simple. Of course, the Universe has come up with every combination of things orbiting other things.

Astronomy Cast Shared .

Moon and GeminiBut during a fight, the mortal Castor was killed. Pollux was inconsolable. He begged Zeus to allow him to die so he could join Castor.

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COVID-19 and Mental HealthNeil deGrasse Tyson explores how the COVID-19 pandemic impacts mental health alongside comic co-host Chuck Nice, neuroscientist Heather Berlin, PhD, and StarTalk Sports Edition co-host Gary > NOTE: StarTalk+ Patrons and All-Access subscribers can watch or listen to this entire episode commercial-free here: > Thanks to our Patrons Bryan Poole,...

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Quiet NeighborIt does have one distinction, though. It lines up in such a way that any astronomers in the system could see Earth pass across the face of the Sun.

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286.4. Snippet_Hydrogen lifeIt's elemental.

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Twin JewelsThe rate of those reactions is driven by the star's mass. Alphecca's yellow star, for example, is a bit less massive than the Sun.

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Moon and CompanionsVesta is the smallest body in the solar system to have such a layered structure - it's just 325 miles in diameter.

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Pro Athlete Cosmic QueriesNeil deGrasse Tyson, alongside co-hosts Gary O'Reilly and Chuck Nice, answer Cosmic Queries from professional athletes including Olympic skier Lindsey Vonn, rugby player Nicole Heavirland, skateboarder Joey Brezinski, and boxer Cam F. Awesome.

StarTalk Radio Shared .

589-Defending EarthThe International Asteroid Warning Network, or IWAN for short has been established to link scientists who are discovering, monitoring, and physically characterizing potentially dangerous asteroids.

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May 22nd: Dr. Sarah McAnulty From Skype a ScientistToday @WFHCrew discuss with Dr. Sarah McAnulty and weekly news update which includes WFIRST, AI techniques used to discover galaxies, Long period GRB, and water ice mining on the Moon.

Weekly Space Hangout Shared .

Deadly SunDolphins and whales occasionally strand themselves on the beach. Biologists say there are many possible causes: injury, disease, human-made sounds, and others.

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Venus special: farewell to the evening starWe bid Venus farewell as the planet begins to disappear from our evening sky, and take a look at the planetary geometry that has made it such a glorious sight over the past few months.

Sky at Night Magazine Shared .

Stellar FlashT Ursae Minoris is in Ursa Minor, the little bear. As night falls, it's above the Little Dipper The star is nearing the end of its life.

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Crew Dragon Deep Dive with Astronaut Garrett ReismanEngineer and former astronaut Garrett Reisman spent four months on the International Space Station before moving to SpaceX.

Planetary Radio Shared .

Venus and MercuryVenus is the brighter of the two worlds. It's the brilliant "evening star." It's the second planet out from the Sun.

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Episode 261: Pessimism SandwichSpaceflight news — Three-part NASA Lunar News. — Plans for Gateway and Artemis undergo refinement.

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Kennedy Space Center Director Bob Cabana Ready For First Human Spaceflight Since ShuttleIn a little over a week, SpaceX will attempt to launch two NASA astronauts to the International Space Station from Florida - the first human launch from the United States in nearly a decade.

Are We There Yet? Shared .

Liftoff 124: Space KoozieThe Artemis Accords have been unveiled, but will their adoption be hurt by their rollout?

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77E-89-Witnessing An Asteroid ImpactRecently I discovered a small asteroid with the NASA funded Catalina Sky Survey 60 inch telescope on Mt. Lemmon.

Travelers In The Night Shared .

AaS! 128: Why are we missing all the baryons?What is the "missing baryon problem"? How do we know how many baryons there ought to be?

Ask a Spaceman! Shared .

'Sailing' StarsAnd even though it's only a few percent of the Sun's age, Gamma Corvi's bright star is nearing the end of its life.

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Ep. 570: Discovering CometsDiscovering comets is one of the fields that amateurs can still make a regular contribution to astronomy.

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Mount St. HelensAs the Sun rose on May 18th of 1980, Mount St. Helens was the fifth-tallest mountain in Washington State - almost 10,000 feet tall.

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The KeystoneZeta is the closest of the four, just 35 light-years away. It actually consists of two stars.

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286.3. Snippet_Big Bang CMBYou can't ignore the past.

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WFIRST: a new era for exoplanet huntingWe speak to Dr Savannah Jacklin about the Wide Field Infrared Survey Telescope, a new mission to discover planets orbiting distant stars using a technique predicted by Einstein over 100 years ago.

Sky at Night Magazine Shared .

Rescue!Max Planck was in a bad way. The German physicist was the leader in the field of quantum theory - understanding the universe on the tiniest of scales.

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588-Encounter With SaturnFrom 1663 to 2011, seven comets had close encounters with Jupiter and two had close encounters with Saturn.

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May 15th: Guest: Dr. Seth Shostak From the SETI InstituteToday, @WSHCrew will have discussion with Seth Shostak from SETI and weekly news update. Things to lookup in the night sky, comet, uninhabitable Martian brines, Europam and interstellar objects.

Weekly Space Hangout Shared .

Father HellFather Maximilian Hell had received an offer he couldn't refuse. King Christian VII of Denmark and Norway had invited him to lead an expedition to observe a transit of Venus across the Sun in 1769.

StarDate Shared .

May 2020 Part 2The Discussion : Ralph channels his inner Churchill, while Jen goes on about Tiger King and her upcoming Cafe Scientifique talk.

Awesome Astronomy Shared .

Speedy StarsAnd the third way involves a stellar explosion. When a massive star explodes as a supernova, it loses most of its mass.

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Looking for Life in Alien OceansJet Propulsion Lab astrobiologist Kevin Hand has just written Alien Oceans: The Search for Life in the Depths of Space.

Planetary Radio Shared .

Episode 260: DOWNLINKSpaceflight news — China's big Long March 5B flight — — The flight — — The capsule landing — — Flexible Inflatable Cargo Re-entry Vehicle — — The unguided first-stage reentry.

The Orbital Mechanics Shared .

Covering Space: Correspondent Peter King Ready To Report Human Launches Once MoreFor the past 25 years, CBS radio correspondent Peter King has covered human launches from Florida - including the last Space Shuttle launch in 2011.

Are We There Yet? Shared .

76E-88-Space RocksAsteroid 2008 TC3 is the only asteroid which was observed to be hurtling between planets, flying through our atmosphere, and pieces of it found to be lying on the Earth's Surface.

Travelers In The Night Shared .

Ep. 569: Ethics of Commercial and Military Space, Part 1: Private Space FlightEvery year, more and more people are making their way to space. Some private citizens have already gotten their astronaut wings, paying for a trip to space out of their own pocket.

Astronomy Cast Shared .

Maiden FlightWith astronauts preparing for the first flight in the Dragon spacecraft, space reporter Sarah Cruddas discusses this new era in space travel.

Naked Astronomy, from the Naked Scientists Shared .

May 9th: Cellphone AstrophotographyCellphones are now to the point where they can produce pleasing astronomical images. This podcast describes how to use your cellphone to capture pleasing wide field images of the sky and how to attach your cellphone to a pair of binoculars or a telescope to capture fainter objects.

NOAO Shared .

286.2. spaceIt's out there.

Cheap Astronomy Shared .

North PoleAstronomers have devised a set of galactic coordinates. The "east-west" line is marked by the plane of the galaxy's disk.

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587-Quiet SunImages of the quiet Sun during a solar minimum make it look like a relatively static peaceful place.

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May 8th: Human Exploration of the Moon and MarsWhat's up this week? Check it out at #365DaysOfAstro.

Weekly Space Hangout Shared .

Ducking SatellitesThe odds of such an impact are getting better all the time. More than 9,000 satellites have been sent into orbit, and about half are still there.

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The Crew Dragon Countdown Begins, With Former NASA Deputy Administrator Lori GarverAmerican astronauts are about to fly from Florida to the International Space Station for the first time in nine years, thanks to the commercial space development initiative advocated for years by Lori Garver.

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Satellites GaloreIn February, the International Astronomical Union said it considers the satellites "worrisome." The constellations of satellites, it said, "will have a negative impact on the progress of ground-based astronomy." SpaceX, which has already launched hundreds of satellites, is testing a new coating to make the craft darker.

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The Next Mission To Mars: NASA Rover Will Search For Signs Of Ancient LifeThis summer, NASA will launch a 2,000 pound robot to the surface of Mars.

Are We There Yet? Shared .

Episode 259: Human Moon LandersSpaceflight news — NASA selects companies to develop Human Landing System for Artemis. — Source Selection Statement.

The Orbital Mechanics Shared .

Liftoff 123: Lunar CamperNASA has unveiled its plans to source a lunar lander for the Artemis program, while Hubble celebrates its 30th anniversary.

Liftoff Shared .

75E-87-MOM Reaches MarsIndia's Mars Orbiter Mission or MOM has made the 10 month journey from Earth to Mars.

Travelers In The Night Shared .

AaS! 127: What was Newton's big deal?Why was his work so controversial? Why are his laws of motion so radical? I discuss these questions and more in today's Ask a Spaceman!

Ask a Spaceman! Shared .

Bright LightsThousands of satellites are in orbit right now. Most of them are too small, too far, or too dark to see.

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Special DaysAnd today celebrates some fictional accomplishments in space. It's Star Wars Day. May the Fourth was picked as a pun on the line "may the force be with you." Star Wars Day started in Toronto almost a decade ago, and caught on around the world.

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Eta Aquarid MeteorsA modest meteor shower is at its best the next couple of nights. At its peak, the Eta Aquarid shower might produce a couple of dozen meteors per hour.

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Venus and El NathVenus, the "evening star," flirts with the tip of one of the bull's horns for the next few weeks.

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Space Policy Edition: Our Moral Obligation to Explore SpaceAre we morally obligated to pursue space exploration? What ethical considerations should we consider when creating space policy?

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586-northern PhaMy Catalina Sky Survey teammate David Rankin was observing in the constellation of Ursae Major with our 60 inch telescope on Mt. Lemmon, Arizona when he spotted a rare fast moving point of light far north of the area in the sky which contains the planets and most of the asteroids.

Travelers In The Night Shared .

May 1st: Chris Carberry, Author of Alcohol in SpaceDiscussion with Chris Carberry, Author of Alcohol in Space, and news roundup about Pluto's ocean, StarLink DarkSat plans, SMBH orbiting through another SMBH accretion disk and how to weigh the Universe.

Weekly Space Hangout Shared .

May 2020: Venus and Mercury at DuskWould you like to learn your way around the night sky in just 10 minutes?

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286.1. Snippet_Solar fluxOur moment in the Sun.

Cheap Astronomy Shared .

The Loneliest Human: Space Boffins SpecialIn a special bonus episode of Space Boffins Richard Hollingham celebrates Apollo 15 astronaut Al Worden, who died in March.

Naked Astronomy, from the Naked Scientists Shared .

May 2020 Part 1The Discussion : The live recording of our monthly astronomy show to provide a bit of extra entertainment and interactivity while people are cooped up at home sitting out the coronavirus.

Awesome Astronomy Shared .

Aging ExplorersThey're losing power, so most of their instruments have been turned off. And they have occasional problems.

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Ep. 568: In Situ Resource UtilizationThe key to surviving in space will be learning how to live off the land.

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Life on Mars: Joining the Quest with Penny Boston and Jim GreenMat Kaplan recently hosted the first of a series of Explore Mars live and interactive events.

Planetary Radio Shared .

Land of ExplorersOne of the canyons, for example, is Argo Chasma. It's named for the ship that carried Jason and the Argonauts.

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The Fight For Women AstronautsThe Mercury 7 might have had the right stuff and made the headlines, but behind the scenes 13 women were being tested to become astronauts.

Are We There Yet? Shared .

Episode 258: Firefly PaydayOriginally autogenously pressurized tanks. — Fire in Jan due to misconfigured software. — Spaceflight Industries In process of being bought by Mitsui and Yamasa.

The Orbital Mechanics Shared .

74E-86-A Close FlybyRecently a semi-trailer trailer truck sized asteroid passed only 20,800 miles above the Earth's surface.

Travelers In The Night Shared .

Southern PinwheelMessier 83 is a beautiful spiral that we view face-on. It's only about 15 million light-years away, so the view is especially good.

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COVID-19 Update, with Neil deGrasse TysonThis episode was recorded on April 23, 2020. Note - This episode contains factual discussions of the ongoing COVID-19 pandemic and may contain certain topics and discussion of statistics and information that might cause distress.

StarTalk Radio Shared .

Messier 53M53 orbits the core, so it's a member of the galaxy. But that might not always have been the case.

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Stadiums of the FutureNeil deGrasse Tyson, co-hosts Gary O'Reilly and Chuck Nice, and Benjamin Brillat of IBM Sports investigate modern stadium design and tech including the new SoFi Stadium in Los > NOTE: StarTalk+ Patrons and All-Access subscribers can watch or listen to this entire episode > Photo Credit: Artist Rendering of Sofi Stadium via sofistadium.com.

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585-Mini Moon IIMy Catalina Sky Survey teammates Kacper Wierzchos and Teddy Pruyne were asteroid hunting in the constellation of Virgo with our 60 inch telescope when they spotted a second natural Moon.

Travelers In The Night Shared .

Apr 24th: Exploding Stars and Invisible Planets‬ BookGood bye Fomalhaut b, Black Hole collision with VERY different masses, more news and discussion about Exploding Stars and Invisible Planets‬ book.

Weekly Space Hangout Shared .

The Great DebateTelescopes routinely study galaxies that are billions of light-years away. But just a century ago, no one knew that the universe extended that far.

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