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. 585: Super Earths, Mini-Neptunes & Gas Dwarfs
Astronomy Cast 585: Super Earths, Mini-Neptunes & Gas Dwarfs by Fraser Cain & Dr. Pamela Gay Astronomers are finding even more new extrasolar planets and they're starting to discover entirely new ca…
00:32:04 |
Mon 23 Nov 2020
Ep. 584: Sample Return Missions From Asteroids
Astronomy Cast Ep. 584: Sample Return Missions From Asteroids by Fraser Cain & Dr. Pamela Gay So with a sample of asteroid Bennu firmly inside OSIRIS-REx's return capsule, it's time to bring this tre…
00:30:22 |
Mon 02 Nov 2020
Ep. 583: The 2020 Nobel Prize in Physics
Astronomy Cast Ep. 583: The 2020 Nobel Prize in Physics by Fraser Cain & Dr. Pamela Gay This year's Nobel Prize in Physics was awarded to three brilliant researchers who worked out some of the secret…
00:29:53 |
Mon 26 Oct 2020
Ep. 582: Building Bigger Black Holes
Astronomy Cast Ep. 582: Building Bigger Black Holes by Fraser Cain & Dr. Pamela Gay Did you hear the news? Nobel prizes for Black Holes! Now, we know there are stellar mass black holes and supermassi…
00:32:26 |
Mon 19 Oct 2020
Ep. 581: Other Kinds Of Novae
Astronomy Cast Ep. 581: Other Kinds Of Novae by Fraser Cain & Dr. Pamela Gay Don't ever accuse us of not comprehensively covering every kind of exploding star. This week we gather up all the left ove…
00:32:07 |
Mon 12 Oct 2020
Ep. 580: Exploding Dwarfs
Astronomy Cast Ep. 580: Exploding Dwarfs By Fraser Cain & Dr. Pamela Gay So you think that a white dwarf star is the end of a stellar life, and it's all downhill from there, a long, slow cool down to…
00:32:45 |
Mon 05 Oct 2020
Ep. 579: White and Black Dwarf Stars
Astronomy Cast 579: White and Black Dwarf Stars by Fraser Cain & Dr. Pamela Gay I've got some bad news for you. Stars die. At some point in the next few billion years or so our Sun is going to start …
00:33:34 |
Mon 28 Sep 2020
Ep. 578: Venus Updates - or - Life on Venus?!?
by Fraser Cain & Dr. Pamela Gay So have you heard the news? Of course you have. Evidence of phosphene on Venus. Which could be a biosignature of life on our evil twin planet. There have been a lot of…
00:30:45 |
Mon 21 Sep 2020
Ep. 577: Mars in Opposition
Astronomy Cast 577: Mars in Opposition by Fraser Cain & Dr. Pamela Gay Every 2 years or so Mars lines up nicely with the Earth. It takes only 2 minutes to communicate with the rovers. You can see the…
00:32:11 |
Mon 14 Sep 2020
Ep. 576: Summer Stargazing Special
Astronomy Cast Ep. 576: Summer Stargazing Special by Fraser Cain & Dr. Pamela Gay It's time once again for Astronomy Cast to go on hiatus. You've got a couple months on your own to explore the night …
00:30:48 |
Mon 29 Jun 2020
Ep. 575: Observing The Moon
Astronomy Cast Ep. 575: Observing The Moon by Fraser Cain & Dr. Pamela Gay As amateur astronomers, we curse the Moon every month. Seriously! Why doesn't someone get rid of that thing! This week, some…
00:32:15 |
Mon 22 Jun 2020
Ep. 574: Trojan Asteroids
Astronomy Cast Ep. 574: Trojan Asteroids by Fraser Cain & Dr. Pamela Gay We imagine the asteroid belt as a place where all the rocks hang out in the solar system. But there are 2 huge bands of astero…
00:29:35 |
Mon 15 Jun 2020
Ep. 573: Exoplanet Atmospheres
Astronomy Cast Ep. 573: Exoplanet Atmospheres Not only have astronomers discovered thousands of exoplanets, but they're even starting to study the atmospheres of worlds thousands of light years away.…
00:31:28 |
Mon 08 Jun 2020
Ep. 572: Twists in Planet Formation
Astronomy Cast Ep. 572: Twists in Planet Formation by Fraser Cain & Dr. Pamela Gay We're all looking to the next generation of exoplanetary research where we get planets directly. But astronomers are…
00:30:05 |
Mon 01 Jun 2020
Ep. 571: Extreme Binaries
Streamed live on May 22, 2020. So we'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 t…
00:31:12 |
Mon 25 May 2020
Ep. 570: Discovering Comets
Astronomy Cast Ep. 570: Discovering Comets Discovering comets is one of the fields that amateurs can still make a regular contribution to astronomy. But more and more comets are getting found by spac…
00:31:04 |
Mon 18 May 2020
Ep. 569: Ethics of Commercial and Military Space, Part 1: Private Space Flight
Every 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. What are the ethic…
00:27:27 |
Mon 11 May 2020
Ep. 568: In Situ Resource Utilization
The key to surviving in space will be learning how to live off the land. Instead of carrying all your fuel, water and other resources from Earth, extract them locally from your destination. It's call…
00:31:29 |
Wed 06 May 2020
Ep. 567: When Satellites Need a House Call
567: When Satellites Need a House Call Astronomy Cast 567: When Satellites Need a House Call by Fraser Cain & Dr. Pamela Gay Space is really far away, so when you send a satellite out into the void,…
00:32:03 |
Mon 27 Apr 2020
Ep. 566: When Comets Fall Apart
566: When Comets Fall Apart Astronomy Cast 566: When Comets Fall Apart by Fraser Cain & Dr. Pamela Gay As everyone knows, the Universe owes us a bright comet. There have been a lot of promising cand…
00:29:30 |
Mon 20 Apr 2020
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