Astronomy Cast
Take a fact-based journey through the cosmos. Tune in to hear weekly discussions on astronomical topics ranging from planets to cosmology. Hosted by Fraser Cain (Universe Today) and Dr. Pamela L. Gay (Planetary Science Institute), this show brings the questions of an avid astronomy lover direct to an astronomer. Together Fraser and Pamela explore what is known and being discovered about the universe around us. Astronomy Cast is supported thru patreon.com/AstronomyCast.
- Update frequency
- every 7 days
- Average duration
- 31 minutes
- Episodes
- 644
- Years Active
- 2006 - 2025
Ep. 665: The Age of Reionization
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. …
00:29:22 |
Mon 16 Jan 2023
Ep. 664: The First Stars
Astronomy Cast Ep. 664: The First Stars by Fraser Cain & Dr. Pamela Gay This show is sponsored by BetterHelp. Visit today to get 10% off your first month. The Sun is a third-generation star, poll…
00:30:24 |
Mon 09 Jan 2023
Ep. 663: End of Year Observing Events
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’…
00:28:06 |
Mon 19 Dec 2022
Ep. 662 - Looking Ahead at New and Recycled Missions
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 abou…
00:29:36 |
Mon 12 Dec 2022
Ep. 660: Runaway! Runaway! Escaping Stars, Planets & Small Bodies
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…
00:27:34 |
Mon 28 Nov 2022
Ep. 659: Clear Skies, Bright Satellites
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, …
00:33:57 |
Mon 14 Nov 2022
Ep. 658: Space Exploration Horror Stories
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 adva…
00:30:35 |
Mon 07 Nov 2022
Ep. 657: Astronomical Naming Schemes
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 astron…
00:34:43 |
Mon 17 Oct 2022
Ep. 656: Smashing Asteroids for Science!
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 …
00:27:15 |
Mon 10 Oct 2022
Ep. 655: 65 Years of Space: Sputnik 1 Anniversary
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 s…
00:28:51 |
Mon 03 Oct 2022
Ep. 654: The Side Effects Of Clean Energy
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…
00:30:52 |
Mon 26 Sep 2022
Ep. 653: Climate Change: Looking at the Variables
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 …
00:30:33 |
Mon 19 Sep 2022
Ep. 652: The Rocket Race Towards Reusability
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 lau…
00:30:12 |
Mon 12 Sep 2022
Ep. 651: Artemis & The Decline of Single Use Rockets
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 blas…
00:31:58 |
Wed 07 Sep 2022
Ep. 650: Did JWST Work?
Astronomy Cast Ep. 650: Did JWST Work? by Fraser Cain & Dr. Pamela Gay Sign up through to make a difference in the climate crisis, and Wren will plant 10 extra trees in your name! Well, this is it. …
00:30:40 |
Wed 20 Jul 2022
Ep. 649: Highlights From NASA’s Holiday Ruining History
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 holi…
00:28:14 |
Mon 11 Jul 2022
Ep. 648: Summer Observing
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…
00:28:30 |
Mon 04 Jul 2022
Ep. 647: Best Sci Fi Beach Reading
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 …
00:27:49 |
Mon 27 Jun 2022
Ep. 646: Our Long Term Future in Space
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 accelerat…
00:32:39 |
Mon 20 Jun 2022
Ep. 645: The Future of the ISS
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 collaboratio…
00:29:02 |
Mon 13 Jun 2022
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