Astronomy Cast

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573 afleveringen, van nieuw naar oud

  1. Ep. 667: JWST First Science

    30 januari 2023 · 29 min

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    Astronomy Cast Ep. 667: JWST First Science by Fraser Cain & Dr. Pamela Gay Streamed live on Jan 23, 2023. Astronomers came together in January to present their newest research. And not surprisingly, the winter AAS meeting was heavy on news from the James Webb Space Telescope. What were some of the new results that were announced? This video was made possible by the following Patreon members: Burry Gowen Stephen Veit Jordan Young Jeanette Wink Kevin Lyle J.F. Rajotte Venkatesh Chary Andrew Poelstra Brian Cagle David Truog Aurora Lipper David Gerhard Schwarzer THANK YOU! - Fraser and Dr. Pamela Lees meer
  2. Ep. 666: Solar System References to the Underworld

    23 januari 2023 · 27 min

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    https://www.youtube.com/watch?v=8QwZoy58ZR8 Sign up through https://wren.co/astro to make a difference in the climate crisis, and Wren will plant 10 extra trees in your name! Streamed live on Jan 17, 2023. Well, we did it. We made it to episode 666, an auspicious number to be sure. What can we do to celebrate this accomplishment? An episode all about things in the Universe that have been named after mythological people and places in the underworld! This video was made possible by the following Patreon members: Burry Gowen Stephen Veit Jordan Young Jeanette Wink Kevin Lyle Venkatesh Chary Andrew Poelstra Brian Cagle David Truog Gerhard Schwarzer THANK YOU! - Fraser and Dr. Pamela We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can! Share the podcast with your friends and send the Patreon link to them too! Every bit helps! Thank you! ------------------------------------ Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness! http://cosmoquest.org/Donate This show is made possible through your donations. Thank you! (Haven't donated? It's not too late! Just click!) ------------------------------------ The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org. Lees meer
  3. Ep. 665: The Age of Reionization

    16 januari 2023 · 29 min

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    Astronomy Cast Ep. 665: The Age of Reionization by Fraser Cain & Dr. Pamela Gay The Cosmic Microwave Background Radiation tells us so much about the Universe. After that era, the Universe went dark. Then, as gas pulled together into the first stars and eventually galaxies, light returned, beginning the Age of Reionization. This video was made possible by the following Patreon members: Burry Gowen Stephen Veit Jordan Young Jeanette Wink Kevin Lyle Venkatesh Chary Andrew Poelstra Brian Cagle David Truog Gerhard Schwarzer THANK YOU! - Fraser and Dr. Pamela Lees meer
  4. Ep. 664: The First Stars

    9 januari 2023 · 30 min

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    Astronomy Cast Ep. 664: The First Stars by Fraser Cain & Dr. Pamela Gay This show is sponsored by BetterHelp. Visit BetterHelp.com/ASTRONOMY today to get 10% off your first month. The Sun is a third-generation star, polluted with metals from long-dead suns. Astronomers have also discovered second-generation stars, with very low metallicity. But theories suggest there must be a first generation, with stars made from only pure hydrogen and helium. Can we ever find them? This video was made possible by the following Patreon members: Burry Gowen Stephen Veit Jordan Young Jeanette Wink Kevin Lyle Venkatesh Chary Andrew Poelstra Brian Cagle David Truog Gerhard Schwarzer THANK YOU! - Fraser and Dr. Pamela Lees meer
  5. Ep. 663: End of Year Observing Events

    19 december 2022 · 28 min

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    Astronomy Cast Ep. 663: End of Year Observing Events by Fraser Cain & Dr. Pamela Gay We generally save our stargazing suggestions for the summer, when it's warmer in the northern hemisphere. But you're tough, you can handle a little cold. And it's worth it because there are some wonderful things you can see in the night sky this time of year. This video was made possible by the following Patreon members: Burry Gowen Stephen Veit Jordan Young Jeanette Wink Kevin Lyle J.F. Rajotte Venkatesh Chary Andrew Poelstra Brian Cagle David Truog Aurora Lipper David Gerhard Schwarzer THANK YOU! - Fraser and Dr. Pamela Lees meer
  6. Ep. 662 - Looking Ahead at New and Recycled Missions

    12 december 2022 · 30 min

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    Astronomy Cast Ep. 662 - Looking Ahead at New and Recycled Missions by Fraser Cain & Dr. Pamela Gay Last week we talked about the missions we're saying goodbye to. This week, we're going to talk about some upcoming missions to say hello to. Some are brand new ideas, others are, uh, recycled. This video was made possible by the following Patreon members: Burry Gowen Stephen Veit Jordan Young Jeanette Wink Kevin Lyle J.F. Rajotte Venkatesh Chary Andrew Poelstra Brian Cagle David Truog Aurora Lipper David Gerhard Schwarzer THANK YOU! - Fraser and Dr. Pamela Lees meer
  7. Ep. 660: Runaway! Runaway! Escaping Stars, Planets & Small Bodies

    28 november 2022 · 28 min

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    Astronomy Cast Ep. 660: Runaway! Runaway! Escaping Stars, Planets & Small Bodies by Fraser Cain & Dr. Pamela Gay Moons orbit planets, planets orbit stars, stars orbit within galaxies. It's orbits all the way down. But occasionally objects can receive a powerful kick that sends them on a journey, never to return. This video was made possible by the following Patreon members: Burry Gowen Jordan Young Kevin Lyle Jeanette Wink Stephen Veit J.F. Rajotte Andrew Poelstra Venkatesh Chary David Truog TheGiantNothing Aurora Lipper David Gerhard Schwarzer Will Hamilton Brian Cagle THANK YOU! - Fraser and Dr. Pamela Lees meer
  8. Ep. 659: Clear Skies, Bright Satellites

    14 november 2022 · 34 min

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    Astronomy Cast Ep. 659: Clear Skies, Bright Satellites by Fraser Cain & Dr. Pamela Gay Streamed live on Nov 8, 2022. Light pollution is big problem and it's only getting worse. Not just near cities, but everywhere thanks to increased satellite constellations. How bad is the problem, and how can we fix it? Lees meer
  9. Ep. 658: Space Exploration Horror Stories

    7 november 2022 · 31 min

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    Astronomy Cast Ep. 658: Space Exploration Horror Stories by Fraser Cain & Dr. Pamela Gay Streamed live on Oct 31, 2022. We're recording this episode on Halloween, so how could we resist but take advantage of this opportunity. Space is already terrifying enough, you know, with the vast endless emptiness, the incomprehensible mysteries, and the uncaring coldness. But here are some scary stories to spook it up a notch. Lees meer
  10. Ep. 657: Astronomical Naming Schemes

    17 oktober 2022 · 35 min

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    Astronomy Cast Ep. 657: Astronomical Naming Schemes by Fraser Cain & Dr. Pamela Gay Space is a big place, with lots of galaxies, stars, planets, moons, and that means a lot of names. So how do astronomers name stuff, like comets, asteroids, exoplanets, craters? This video was made possible by the following Patreon members: Burry Gowen Jordan Young Kevin Lyle Stephen Veit Gerhard Schwarzer J.F. Rajotte Andrew Poelstra Aurora Lipper Brian Cagle David David Truog Jeanette Wink TheGiantNothing Venkatesh Chary Will Hamilton THANK YOU! - Fraser and Dr. Pamela Lees meer
  11. Ep. 656: Smashing Asteroids for Science!

    10 oktober 2022 · 27 min

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    Astronomy Cast Ep. 656: Smashing Asteroids for Science! by Fraser Cain & Dr. Pamela Gay Streamed live Oct 3rd. This week we saw the incredible image of DART smashing into asteroid Dimorphous. Beyond avenging the dinosaurs, what can we learn scientifically from this and other asteroid/comet impact missions. Lees meer
  12. Ep. 655: 65 Years of Space: Sputnik 1 Anniversary

    3 oktober 2022 · 29 min

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    Astronomy Cast Ep. 655: 65 Years of Space: Sputnik 1 Anniversary by Fraser Cain & Dr. Pamela Gay Streamed live on Sep 26, 2022. It's been about 65 years since the Soviets launched the first orbital satellite into low Earth orbit: Sputnik 1. Now there are thousands of satellites in orbit, with tens of thousands on the way. Let's look at the impact that Sputnik had on the history of spaceflight. Lees meer
  13. Ep. 654: The Side Effects Of Clean Energy

    26 september 2022 · 31 min

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    Astronomy Cast Ep. 654: The Side Effects Of Clean Energy by Fraser Cain & Dr. Pamela Gay To battle climate change, we'll need to rapidly move to carbon-free sources of energy. But this technology isn't a free lunch. They require metals, generate waste and deplete the environment. What's the best way to balance this shift? Lees meer
  14. Ep. 653: Climate Change: Looking at the Variables

    19 september 2022 · 31 min

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    Astronomy Cast Ep. 653: Climate Change: Looking at the Variables by Fraser Cain & Dr. Pamela Gay Climate change is on our mind these days with increasing wildfires, droughts and floods. What are the variables that play into a planet's changing climate and what can this teach us about the search for habitable planets in the solar system and across the Milky Way? Lees meer
  15. Ep. 652: The Rocket Race Towards Reusability

    12 september 2022 · 30 min

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    Astronomy Cast Ep. 652: The Rocket Race Towards Reusability by Fraser Cain & Dr. Pamela Gay Last week we talked about how single-use rocketry has changed over time, and the role it still plays in launching payloads into orbit and beyond. Today we'll address the stainless steel elephant in the room and talk about the shift to reusability. Lees meer
  16. Ep. 651: Artemis & The Decline of Single Use Rockets

    7 september 2022 · 32 min

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    Astronomy Cast Ep. 651: Artemis & The Decline of Single Use Rockets by Fraser Cain & Dr. Pamela Gay Season 16 opener. On the day that we're recording this, NASA's Space Launch System is about to blast off. But everyone is expecting it'll be delayed to October. When it does launch, it'll be the most powerful rocket on Earth. Well, until Starship blasts off. So are we about to see the end of single-use rockets and enter the era of reusable rocketry? Lees meer
  17. Ep. 650: Did JWST Work?

    20 juli 2022 · 31 min

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    Astronomy Cast Ep. 650: Did JWST Work? by Fraser Cain & Dr. Pamela Gay Sign up through wren.co/astro to make a difference in the climate crisis, and Wren will plant 10 extra trees in your name! Well, this is it. We're FINALLY going to talk about the James Webb Space Telescope. After decades of development, delays, budget creep, the powerful infrared observatory is at its final home at the L2 Lagrange point. Yesterday (at the time we're recording this) we saw the first scientific images from the telescope and according to Pamela's rules, we're finally allowed to talk about it. Lees meer
  18. Ep. 649: Highlights From NASA's Holiday Ruining History

    11 juli 2022 · 28 min

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    Astronomy Cast Ep. 649: Highlights From NASA's Holiday Ruining History by Fraser Cain & Dr. Pamela Gay Have you ever noticed that significant space and astronomy events seem to happen during the holidays? It's not a coincidence. There's actually a reason why. Today we'll talk about some of the key events that happened during holidays and the underlying rationale. Lees meer
  19. Ep. 648: Summer Observing

    4 juli 2022 · 28 min

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    Astronomy Cast Ep. 648: Summer Observing by Fraser Cain & Dr. Pamela Gay Summer is officially, astronomically here, and for the folks in the northern hemisphere that means it's a perfect time to head outside and see what's happening in the sky. Today we'll give you a good list of things to keep an eye out for with or without a telescope. Lees meer
  20. Ep. 647: Best Sci Fi Beach Reading

    27 juni 2022 · 28 min

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    Astronomy Cast Ep. 647: Best Sci Fi Beach Reading by Fraser Cain & Dr. Pamela Gay Summer's here! And that means finally tackling that huge list of books piled up on your bedside table and filling up your Kindle. What books do we recommend for some fun reads this summer? - The Kaiju Preservation Society by John Scsalzi - Space Opera by Katherine Valente - The Culture series by Iain M. Banks (The Player of Games) - Six Wakes by Mur Lafferty - Marco and the Red Granny by Mur Lafferty - Reamde and The Fall by Neil Stephenson - Bobiverse series by Dennis E. Taylor - Project Hail Mary by Andy Weir - Childhood's End by Arthur C. Clark - Lagoon by Nnedi Okorafor - Packing for Mars by Mary Roach - The Mission: A True Story by David Brown - Galaxy: The Prettiest Star by Jadzia Axelrod Lees meer
  21. Ep. 646: Our Long Term Future in Space

    20 juni 2022 · 33 min

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    Astronomy Cast Ep. 646: Our Long Term Future in Space by Fraser Cain & Dr. Pamela Gay We always say that we're living in golden age of space and astronomy, but it feels like things are just accelerating. Space travel is happening! What does the long-term future hold for our place in the Universe? Lees meer
  22. Ep. 645: The Future of the ISS

    13 juni 2022 · 29 min

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    Astronomy Cast Ep. 645: The Future of the ISS by Fraser Cain & Dr. Pamela Gay The International Space Station has been continuously inhabited for over 20 years now, serving as a peaceful collaboration between space-faring nations. But it's a machine, and it's getting old. In addition, the Russian invasion of Ukraine has made things, complicated. What's the future for the ISS? Lees meer
  23. Ep. 644: Is Earth… Normal?

    30 mei 2022 · 32 min

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    Astronomy Cast Ep. 644: Is Earth… Normal? by Fraser Cain & Dr. Pamela Gay We've now discovered thousands of exoplanets, we're learning more and more about the kinds of planetary systems there are out there across the Universe. But are planets like Earth unique or totally rare? Lees meer
  24. Ep. 643: Sagittarius A*

    17 mei 2022 · 29 min

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    Astronomy Cast Ep. 643: Sagittarius A* by Fraser Cain & Dr. Pamela Gay All the waiting is over, we've finally seen the image of the event horizon from the supermassive black hole at the heart of the Milky Way. Different shaped blobs! And a black circle in the middle. What are we looking at? Today we're going to explain the picture, and what's next for the Event Horizon Telescope. Lees meer
  25. Ep. 642: Is the Sun... Normal?

    16 mei 2022 · 28 min

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    Astronomy Cast Ep. 642: Is the Sun... Normal? by Fraser Cain & Dr. Pamela Gay We've always assumed that we lived in a perfectly normal star system with a normal star and normal planets. It's all... normal. But with our modern understanding of billions of stars, just how normal is our Sun, anyway? Lees meer
  26. Ep. 641: Can Planets Be Alive?

    9 mei 2022 · 26 min

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    Astronomy Cast Ep. 641: Can Planets Be Alive? by Fraser Cain & Dr. Pamela Gay The Earth is teeming with life, but the upper atmosphere to kilometers underground. There's no question that our planet has life. But is our planet itself alive? This is a question posed back in the 1970s as the Gaia hypothesis, and it got its share of criticism. Some new ideas have been proposed to bring this hypothesis to the modern era as we search for exoplanets. Lees meer
  27. Ep. 640: Survey Science: Newest Projects & Results

    2 mei 2022 · 29 min

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    Astronomy Cast Ep. 640: Survey Science: Newest Projects & Results by Fraser Cain & Dr. Pamela Gay There are general-purpose telescopes and missions that astronomers can use to study specific objects. And there are the survey missions that look at the entire sky, which astronomers can use to answer questions about the Universe. We've talked about surveys in the past, but the landscape is changing quickly so it's time for an update. Lees meer
  28. Ep. 639: Big Qs Update: Dark Matter, Dark Energy, Etc.

    18 april 2022 · 28 min

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    Astronomy Cast Ep. 639: Big Qs Update: Dark Matter, Dark Energy, Etc. by Fraser Cain & Dr. Pamela Gay Knowledge moves forward, and so, we must move with it. Today we'll give you an update on some of the most fascinating, fast-changing topics in astronomy, astrophysics and cosmology. Lees meer
  29. Ep. 638: Simulating Space Missions

    11 april 2022 · 30 min

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    Astronomy Cast Ep. 638: Simulating Space Missions by Fraser Cain & Dr. Pamela Gay Although humans have never actually been to Mars, explorers have simulated many aspects of Mars missions here on Earth. There are missions under the ocean, on the tops of volcanoes, in the harsh Canadian north, and even in bed that simulate the limitations of spaceflight, and teach us many of the lessons to prepare us for the real thing Lees meer
  30. Ep. 637: Machine Learning in Astronomy

    4 april 2022 · 30 min

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    Astronomy Cast Ep. 637: Machine Learning in Astronomy by Fraser Cain & Dr. Pamela Gay Computers are a big part of astronomy, but mostly they've been relegated to doing calculations. But recent developments in machine learning have changed everything, giving computers the ability to do jobs that humans could only do in the past. Lees meer
  31. Ep. 636: Blowing Bubbles

    28 maart 2022 · 29 min

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    Astronomy Cast Ep. 636: Blowing Bubbles by Fraser Cain & Dr. Pamela Gay We think of space as a vacuum, but there are regions of different density. There are winds blowing from stars and other objects that clear out vast bubbles in space, and look absolutely fantastic in pictures. And they might have been critical for Earth to even exist in the first place. Lees meer
  32. Ep. 635: Jets: When Magnetic Fields Fling Things

    21 maart 2022 · 26 min

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    Astronomy Cast Ep. 635: Jets: When Magnetic Fields Fling Things by Fraser Cain & Dr. Pamela Gay As astronomers look out across the Universe. They see various objects spewing jets of material light years into space. What causes these jets? And what impact do they have on the Universe? Lees meer
  33. Ep. 634: Milky Way's Mergers & Acquisitions

    14 maart 2022 · 28 min

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    Astronomy Cast Ep. 634: Milky Way's Mergers & Acquisitions by Fraser Cain & Dr. Pamela Gay The Milky Way is a vast grand spiral today, but how did it get this way? Astronomers are starting to unravel the history of our galaxy, revealing the ancient collisions with dwarf galaxies, and how they came together to build the modern Milky Way. Lees meer
  34. Ep. 633: Weirdly Habitable Places

    7 maart 2022 · 29 min

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    Astronomy Cast Ep. 633: Weirdly Habitable Places by Fraser Cain & Dr. Pamela Gay We've always assumed that habitable planets would need to be like Earth; a terrestrial planet orbiting a sunlike star. But now astronomers have been discovering planets in the habitable zone around very much non-sunlike stars. What strange places could be habitable? Lees meer
  35. Ep. 632: Building Images: Optical vs Radio

    28 februari 2022 · 30 min

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    Astronomy Cast Ep. 632: Building Images: Optical vs Radio by Fraser Cain & Dr. Pamela Gay A recent image from the South African MeerKAT Telescope blew our minds. It was a high resolution image of the center of the Milky Way showing delicate filaments and other structures. What was so mind blowing is that this was an image from a radio telescope. Today we're gonna talk about why this was such an accomplishment and what the future holds for radio astronomy. https://www.sarao.ac.za/media-releases/new-meerkat-radio-image-reveals-complex-heart-of-the-milky-way/ Lees meer
  36. Ep. 631: All The Uses Of Pulsars (Including Murder)

    21 februari 2022 · 30 min

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    Astronomy Cast Ep. 631: All The Uses Of Pulsars (Including Murder) by Fraser Cain & Dr. Pamela Gay Pulsars are the rapidly spinning degenerate husks of dead stars, turning hundreds of times a second. But they're also handy clocks, spinning with such certainty and accuracy that astronomers can use them for all kinds of stuff. We might even use them to navigate the cosmos. Lees meer
  37. Ep. 630: Things We Can Look Forward To

    14 februari 2022 · 28 min

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    Astronomy Cast Ep. 630: Things We Can Look Forward To by Fraser Cain & Dr. Pamela Gay In a rare moment of weakness, Pamela has decided she's open to the possibility that a future exists. That missions, telescopes and spacecraft are going to be built and they're going to do science. Today we'll talk about what we're looking forward to before she changes her mind and my naive optimism for the future. Lees meer
  38. Ep. 629: The Cost of Delays

    7 februari 2022 · 32 min

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    Astronomy Cast Ep. 629: The Cost of Delays by Fraser Cain & Dr. Pamela Gay With all the success of James Webb so far, it's looking like science's huge gamble is going to pay off, but there were years of delays and budget overruns. What impacts did these delays have on science, careers, and the future of space exploration? Lees meer
  39. Ep. 628: The Sun Revisited

    31 januari 2022 · 30 min

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    Astronomy Cast Ep. 628: The Sun Revisited by Fraser Cain & Dr. Pamela Gay Once again, it's time to take a look at the Sun. You know, the ongoing thermonuclear explosion of fusing hydrogen that's right over there. Fortunately, there's a fleet of spacecraft and ground observatories ready to give our best ever view of the Sun, so we can watch it. Always watching… Lees meer
  40. Ep. 627: Mercury Revisited

    17 januari 2022 · 27 min

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    Astronomy Cast Ep. 627: Mercury Revisited by Fraser Cain & Dr. Pamela Gay It's been about a thousand years since since we last looked at Mercury. So we figured it's time for an update. What new things have we learned about Mercury? Or even new questions! Fortunately there's a mission on the way to help us get some answers. Lees meer
  41. Ep. 626: Terrestrial Planets - Mercury, Venus, Earth & Mars

    10 januari 2022 · 30 min

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    Astronomy Cast Ep. 626: Terrestrial Planets - Mercury, Venus, Earth & Mars by Fraser Cain & Dr. Pamela Gay We continue our refreshed tour of the solar system, checking in on the inner terrestrial planets, Mercury, Venus, Earth and Mars. What have we learned about the formation, evolution and what they might tell us about planets across the Universe. Lees meer
  42. Ep. 625: End of the Year Review

    20 december 2021 · 33 min

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    Astronomy Cast Ep. 625: End of the Year Review by Fraser Cain & Dr. Pamela Gay We've reached the end of 2021 and this is the last episode of the year. Let's look back at the big space events of the last year and talk about what we're looking forward to in 2022. Lees meer
  43. Ep. 624: Small Rocky Bodies (Including Phobos & Deimos)

    13 december 2021 · 26 min

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    Astronomy Cast Ep. 624: Small Rocky Bodies (Including Phobos & Deimos) by Fraser Cain & Dr. Pamela Gay We've talked about the icy objects of the Solar System, today let's talk about space rocks. There's a surprising variety of rocky material in the Solar System, and each object has a story to tell about the history and formation of the planets, moons and other rocky bodies. Lees meer
  44. Ep. 623: NEOs: Concern or Nah

    6 december 2021 · 34 min

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    Astronomy Cast Ep. 623: NEOs: Concern or Nah by Fraser Cain & Dr. Pamela Gay Are asteroids dangerous? Well, just ask the dinosaurs and they'll tell you a sad story of fiery death. It turns out we're in a shooting gallery of space rock and metal. And somewhere out there there's one with our name on it. Should we be worried? Or are the risks so minimal to be irrelevant. Lees meer
  45. Ep. 622: Rockier Moons & Giant Asteroids

    29 november 2021 · 30 min

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    Astronomy Cast Ep. 622: Rockier Moons & Giant Asteroids by Fraser Cain & Dr. Pamela Gay So a rock is a rock is a rock. Right? Across the solar system there are giant rocky asteroids and even "gianter" rocky moons. What is the difference between these two families of objects and where do they come from? Lees meer
  46. Ep. 621: Gas Giants

    22 november 2021 · 29 min

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    Astronomy Cast Ep. 621: Gas Giants by Fraser Cain & Dr. Pamela Gay For the longest time the only gas giant planets that we knew about were Jupiter and Saturn. But now, in the age of extrasolar planets, astronomers have discovered thousands of gas giants across almost as many star systems. What new discoveries have been made about gas giants, both here in the solar system and across the Milky Way? Lees meer
  47. Ep. 620: Why Getting to the Outer Worlds is So Difficult

    15 november 2021 · 27 min

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    Astronomy Cast Ep. 620: Why Getting to the Outer Worlds is So Difficult by Fraser Cain & Dr. Pamela Gay Good News! Over the next few years we're gonna see a flotilla of new missions headed to Jupiter and Saturn. Why aren't we seeing more missions to the outer planets like Uranus and Neptune, even Pluto? It turns out those places are far away. Today let's talk about the challenges of exploring the outer, outer solar system. Lees meer
  48. Ep. 619: Icy Moons & Dwarf Planets

    8 november 2021 · 37 min

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    Astronomy Cast Ep. 619: Icy Moons & Dwarf Planets by Fraser Cain & Dr. Pamela Gay The outer Solar System is far enough from the Sun that water doesn't get blasted away into deep space. In this icy realm, there are many worlds with vast quantities of water ice. Today let's look at the icy outer moons and dwarf planets. Lees meer
  49. Ep. 618: Ice Giants

    1 november 2021 · 28 min

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    Astronomy Cast Ep. 618: Ice Giants by Fraser Cain & Dr. Pamela Gay So we're learning more & more about the outer planets of the solar system. Uranus & Neptune are Ice Giants, filled with water and other volatiles that we'd consider ice if it was here on Earth. What's inside these worlds and what can we expect to find across the Milky Way as we find more? Lees meer
  50. Ep. 617: Hangout-A-Thon Episode 2 - Crowdfunding Science

    30 oktober 2021 · 36 min

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    Astronomy Cast Ep. 617: Hangout-A-Thon Episode 2 - Crowdfunding Science by Fraser Cain & Dr. Pamela Gay Funding for basic science has always been tricky business, coming mainly from universities, government, companies or wealthy individuals. But who knows how many fascinating discoveries were never made because of a lack of funding. And we now live in an era where regular people can come together to fund scientific discoveries. Lees meer