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. 565: When Worlds Collide
565: When Worlds Collide Astronomy Cast 565: When Worlds Collide by Fraser Cain & Dr. Pamela Gay So much of our Solar System has been shaped by enormous collisions early on in our history. Seriously,…
00:30:57 |
Mon 13 Apr 2020
Ep. 564: Mini Moons
564: Mini Moons Astronomy Cast 564: Mini Moons by Fraser Cain & Dr. Pamela Gay Last month astronomers announced that they had detected a tiny asteroid that had been captured by the Earth's gravity we…
00:28:36 |
Mon 06 Apr 2020
Ep. 563: White Dwarf Mergers
563: White Dwarf Mergers Astronomy Cast 563: White Dwarf Mergers by Fraser Cain & Dr. Pamela Gay White dwarfs are usually about 60% the mass of the Sun, so it was a bit of a surprise when astronomer…
00:33:26 |
Mon 30 Mar 2020
Ep. 562: Dealing with COVID-19 and the Changes it will Bring
562: Dealing with COVID-19 and the Changes it will Bring Astronomy Cast 562: Dealing with COVID-19 and the Changes it will Bring by Fraser Cain & Dr. Pamela Gay Pamela and Fraser discuss the implicat…
01:01:12 |
Mon 23 Mar 2020
Ep. 561: Remembering Katherine Johnson
561: Remembering Katherine Johnson Astronomy Cast 561: Remembering Katherine Johnson by Fraser Cain & Dr. Pamela Gay We lost a bright star here on planet Earth last week. NASA mathematician Katherine…
00:33:26 |
Fri 06 Mar 2020
Ep. 560: Betelgeuse
560: Betelgeuse Astronomy Cast 560: Betelgeuse by Fraser Cain & Dr. Pamela Gay You might be surprised to hear that we've never done an episode of Astronomy Cast featuring Betelgeuse. Well, good news,…
00:35:59 |
Mon 24 Feb 2020
Ep. 559: The Surface of the Sun
559: The Surface of the Sun Astronomy Cast 559: The Surface of the Sun by Fraser Cain & Dr. Pamela Gay A brand new telescope has completed on Maui's Haleakala, and it has just one job: to watch the S…
00:30:07 |
Mon 17 Feb 2020
Ep. 558: Supernova SN 2006gy
558: Supernova SN 2006gy Astronomy Cast 558: Supernova SN 2006gy by Fraser Cain & Dr. Pamela Gay We've been following this story for more than a decade, so it's great to finally have an answer to the…
00:30:53 |
Mon 10 Feb 2020
Ep. 557: Red Dwarfs: Friend or Foe
557: Red Dwarfs: Friend or Foe Astronomy Cast 557: Red Dwarfs: Friend or Foe by Fraser Cain & Dr. Pamela Gay On the one hand, red dwarfs are the longest lived stars in the Universe, the perfect place…
00:29:36 |
Mon 03 Feb 2020
Ep. 556: Multi Messenger Astronomy
556: Multi Messenger Astronomy Astronomy Cast 556: Multi Messenger Astronomy by Fraser Cain & Dr. Pamela Gay For the longest time astronomers could only study the skies with telescopes. But then new …
00:30:33 |
Mon 27 Jan 2020
Ep. 555: Satellite Constellations and the Future of Astronomy
555: Satellite Constellations and the Future of Astronomy Astronomy Cast 555: Satellite Constellations and the Future of Astronomy by Fraser Cain & Dr. Pamela Gay The other big issue at the AAS was t…
00:29:09 |
Sun 19 Jan 2020
Ep. 554: Big Telescope Controversy in Hawai'i
554: Big Telescope Controversy in Hawai'i Astronomy Cast 554: Big Telescope Controversy in Hawai'i by Fraser Cain & Dr. Pamela Gay This week we're live at the American Astronomical Society's 235th me…
00:29:59 |
Mon 13 Jan 2020
Ep. 553: What To Look Forward To In 2020
553: What To Look Forward To In 2020 Astronomy Cast 553: What To Look Forward To In 2020 by Fraser Cain & Dr. Pamela Gay It's hard to believe it, but we survived another trip around the Sun. Now it'…
00:41:43 |
Mon 30 Dec 2019
Ep. 552: Boyajian's star (and other strange stars)
552: Boyajian's star (and other strange stars) Astronomy Cast 552: Boyajian's star (and other strange stars) by Fraser Cain & Dr. Pamela Gay Huge surveys of the sky are finding more and more planets,…
00:45:04 |
Mon 23 Dec 2019
CosmoQuest Hangoutathon Promo
Hi everyone, Producer Susie here. This weekend, December 21-23, 2019, we will be having our CosmoQuest Hangoutathon. For 40 straight hours, our team will be bringing you guests, science and fun live…
00:01:42 |
Fri 20 Dec 2019
Ep. 551: Missing Epochs - Observing before the CMBR
551: Missing Epochs - Observing before the CMBR Astronomy Cast 551: Missing Epochs - Observing before the CMBR by Fraser Cain & Dr. Pamela Gay The Cosmic Microwave Background Radiation is the earlies…
00:27:35 |
Mon 16 Dec 2019
Ep. 550: Missing Epochs - Observing the Cosmic Dark Ages
550: Missing Epochs - Observing the Cosmic Dark Ages Astronomy Cast 550: Missing Epochs - Observing the Cosmic Dark Ages by Fraser Cain & Dr. Pamela Gay Powerful observatories like Hubble and the Ve…
00:29:29 |
Sat 07 Dec 2019
Ep. 549: Stellar nucleosynthesis revisited: In and on and around dead stars
549: Stellar nucleosynthesis revisited: In and on and around dead stars Astronomy Cast 549: Stellar nucleosynthesis revisited: In and on and around dead stars by Fraser Cain & Dr. Pamela Gay Last wee…
00:28:44 |
Mon 02 Dec 2019
Ep. 548: Stellar nucleosynthesis revisited: In stellar cores & atmospheres
548: Stellar nucleosynthesis revisited: In stellar cores & atmospheres Astronomy Cast 548: Stellar nucleosynthesis revisited: In stellar cores & atmospheres by Fraser Cain & Dr. Pamela Gay The Unive…
00:31:35 |
Mon 25 Nov 2019
Ep. 547: Why Astronomy Still Needs Humans
547: Why Astronomy Still Needs Humans Astronomy Cast 547: Why Astronomy Still Needs Humans by Fraser Cain & Dr. Pamela Gay Few sciences have been able to take advantage of the power of computers like…
00:29:00 |
Mon 18 Nov 2019
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