Best Astronomy Cast Podcasts (2024)

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Ep. 721: Rogue Planets 55:06

2h ago55:06

55:06

Most of the exoplanets we’ve found are around stars, where they belong. But a few have been found free-floating in interstellar space. The evidence is growing that there are a lot of them out there, maybe even more than planets with stars. How do they form and how can we learn more about them?

1
Astronomy Cast Ep. 721: Rogue Planets 29:48

1h ago29:48

29:48

https://www.youtube.com/watch?v=sRI2uxk0lrs Streamed live on May 20, 2024. For an ad-free version join our Patreon at patron.com/astronomycast By Fraser Cain & Dr. Pamela Gay. Most of the exoplanets we’ve found are around stars, where they belong. But a few have been found free-floating in interstellar space. The evidence is growing that there are …

1
Ep 720: Galaxy Series – Elliptical Galaxies 30:10

9h ago30:10

30:10

Our galaxy series continues with elliptical galaxies. Unlike other types, these are large, smooth with very few distinguishing features. They’re filled with red and dead stars, a clue to their evolution.By Astronomy Cast

1
Cheap Astronomy - Dear CA #103 - There Are Always Possibilities 14:09

1h ago14:09

14:09

Hosted by Steve Nerlich. What can the anti-matter be? Dear Cheap Astronomy – How much antimatter is there and will it eventually annihilate? Antimatter is generally found in subatomic particle form – so there’s antiprotons and anti- electrons, which can rarely come to together to form an antihydrogen atom. But that’s about it, an anti-helium nucleu…

1
Exoplanet Radio - Ep. 18: JWST Observes a New Type of Brown Dwarf 6:00

1h ago6:00

6:00

https://www.youtube.com/watch?v=K7xaMWyeCM0 From Aug 11, 2023. Hosted by Tony Darnell. Imagine a planet that is so far away from us that it takes 40 years for its light to reach us. Now imagine that this planet has not one, but two stars that it orbits around. And finally, imagine that this planet has clouds made of sand particles that change the b…

1
Ep. 721: Rogue Planets 29:49

32m ago29:49

29:49

Astronomy Cast Ep. 721: Rogue Planets By Fraser Cain & Dr. Pamela Gay Streamed live on May 20, 2024. Most of the exoplanets we’ve found are around stars, where they belong. But a few have been found free-floating in interstellar space. The evidence is growing that there are a lot of them out there, maybe even more than planets with stars. How do th…

1
Skeptic Check: Feeling Risky* 54:00

22m ago54:00

54:00

It’s not just facts that inform our decisions. They’re also guided by how those facts feel. From deciding whether to buckle our seat belts to addressing climate change, how we regard risk is subjective. In this extended conversation with an expert on the psychology of risk, find out about our exaggerated fears, as well as risks we don’t take seriou…

1
Joan of Arcturus 1:48

5h ago1:48

1:48

Thursday, May 30th is the Feast of Joan of Arc. Arcturus is rising overhead from the East, the star of the shepherdess, beside the crown she would use to crown the King of France, who was nearly toppled, like Hercules, from his rightful place.

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Travelers in the Night Eps. 731 & 732: Greg’s Comet & Comet Lemmon 5:30

1h ago5:30

5:30

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org From Feb 10 & 17, 2023. Today's 2 topics: - The discovery by Greg Leonard of P/2018 VN2 (Leonard), a Jupiter family comet whose fate is to become…

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The Cosmic Savannah - Ep. 57: From Dust To Dust 46:05

43m ago46:05

46:05

Hosted by Dr. Jacinta Delhaize & Dr. Daniel Cunnama. We are joined by Dr. Omima Osman, a lecturer at the University of Khartoum in Sudan, who recently completed her PhD at the International Centre for Radio Astronomy Research (ICRAR) in Western Australia. Omima’s PhD research was all about cosmic dust. She explains how this dust forms in the death …

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EVSN - Massive Thwaites Glacier in Antarctica at Risk of Collapse 20:34

5d ago20:34

20:34

From December 16, 2021. A team of scientists collected cores and modeled ice cliff failure and found that Thwaites Glacier in Antarctica is melting more quickly than ever and could be at risk of collapse, threatening global coastlines with almost a meter of sea level rise. Plus, new results from Percy, and this week’s What’s Up. We've added a new w…

1
Awesome Astronomy - Totally Eclipse 1:07:21

3h ago1:07:21

1:07:21

Dr. Jenifer “Dr. Dust” Millard hosts and Dustin Ruoff guest hosts and produces, while Paul Hill, Damien Phillips & John Wildridge produce. Episode #143, May 2024. This episode it is Jeni and Dustin talking about their experiences of the Great American Eclipse! Produced by Paul, Jen, Dustin, John & Damien. www.awesomeastronomy.com Bio: Awesome Astro…

1
Cheap Astronomy - Dear CA #102 - Back to the Moon 14:12

8m ago14:12

14:12

Hosted by Steve Nerlich. Dear Cheap Astronomy – Are there any missions to the Moon before Artemis? So yep, were going back to the Moon, sometime soon. NASA’s first Artemis human landing mission, the crew including a woman and a person of colour (or heck why not a woman of colour, why not two) is now scheduled for 2026, remembering it was scheduled …

1
Ask A Spaceman Ep. 224: Can Life Survive on Locked Planets? 39:01

26m ago39:01

39:01

Life on the line! How do planets get tidally locked? What are these systems typically like? Can life find a home in such a challenging environment? I discuss these questions and more in today’s Ask a Spaceman! This episode is sponsored by BetterHelp. Give online therapy a try at betterhelp.com/spaceman and get on your way to being your best self. V…

1
Ep. 720: Galaxy Series - Elliptical Galaxies 36:52

19h ago36:52

36:52

Streamed live on Apr 30, 2024. Our galaxy series continues with elliptical galaxies. Unlike other types, these are large, smooth with very few distinguishing features. They’re filled with red and dead stars, a clue to their evolution.

1
Astronomy Cast - Ep. 720: Galaxy Series - Elliptical Galaxies 28:58

1h ago28:58

28:58

https://www.youtube.com/watch?v=K9TuZ8RGb-Y Streamed live on Apr 30, 2024. Our galaxy series continues with elliptical galaxies. Unlike other types, these are large, smooth with very few distinguishing features. They’re filled with red and dead stars, a clue to their evolution. This video was made possible by the following Patreon members: Jordan Y…

1
Ep. 720: Galaxy Series - Elliptical Galaxies 28:32

11h ago28:32

28:32

Astronomy Cast - Ep. 720: Galaxy Series - Elliptical Galaxies by Fraser Cain & Dr. Pamela Gay Streamed live on Apr 30, 2024. Our galaxy series continues with elliptical galaxies. Unlike other types, these are large, smooth with very few distinguishing features. They’re filled with red and dead stars, a clue to their evolution. This video was made p…

1
Beyond the Standard Model 1:01:28

14m ago1:01:28

1:01:28

Ever heard of a beauty quark? How about a glueball? Physics is full of weird particles that leave many of us scratching our heads. But these tiny particles make up everything in the quantum world and in us and are the basis of the fundamental scientific theory called The Standard Model. But it doesn’t explain everything. It can’t account for dark m…

1
A Michelangelo Moon 1:51

4h ago1:51

1:51

Thursday's Full Moon blocks the star Antares, the rival of Mars, which means it's our turn to sculpt the red planet’s warrior forces.

1
Travelers in the Night Eps. 729 & 730: Close Again & Busy Night 5:30

44m ago5:30

5:30

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. From Jan 27 & Feb 3, 2023. travelersinthenight.org Today's 2 topics: - As asteroid hunters equipment and skills continue to improve we will be able to find and track som…

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The Cosmic Perspective - Alan Stern’s Virgin Galactic Flight into Space 27:48

9m ago27:48

27:48

Hosted by Andy Poniros. Alan Stern has been in involved in more than 20 NASA missions. Dr Stern discusses his Virgin Galactic flight into space , the future of space communications, & the latest findings of NASA’s New Horizons mission to Pluto & beyond. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and produc…

1
EVSN - Io & Juno Begin to Part Ways 24:54

20m ago24:54

24:54

From May 8, 2024. In February, on the closest approach, NASA's Juno spacecraft was within 930 miles of the closest moon Io’s surface. Since then, Juno’s orbit has been shrinking, bringing the mission closer to Jupiter and away from the circling Galilean moons. Io and Juno have parted ways, and Juno is now snuggling down into tighter orbits around h…

1
Actual Astronomy - Street Astronomy 1:04:14

16m ago1:04:14

1:04:14

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com In 2017 Bill Green brought his telescope to one of Philadelphia's most crowded and light polluted corners and has had a line up at his telescope ever since. An optical Engineer by trade Bill carries on in the tradition of John Dobson & teaches…

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SETI Live - Unveiling the Secrets of Enceladus 35:49

8d ago35:49

35:49

Recorded 28 March 2024. Join us for a live discussion with senior planetary astronomer Dr. Franck Marchis and planetary scientist Beth Johnson as they delve into the thrilling search for life on Saturn's icy moon, Enceladus. Drawing on recent findings highlighted by Universe Today and ESA, Franck and Beth will explore the significant implications o…

1
Exoplanet Radio - Life in the Dark: How Moons of Rogue Planets Could Harbor Life 5:29

4d ago5:29

5:29

From August 8, 2023. Hosted by Tony Darnell. In our galaxy, there are many planets that wander alone in the dark, without a star to orbit. These rogue planets could have formed from the same material that makes stars, or they could have been kicked out of their original star systems by gravitational interactions. Some of these rogue planets could h…

1
Ep. 719 – Galaxy Series: Spirals 34:03

7d ago34:03

34:03

Our galaxy series continues, on to spiral galaxies. In fact, you’re living in one right now, but telescopes show us the various shapes and sizes these galaxies come in. Thanks to JWST, we’re learning how these spirals got big, early on in the Universe. Image: M33 Transcript (Automatically generated) Fraser Cain [00:01:11] Astronomy Cast episode 719…

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Ep. 719: Galaxy Series - Spiral Galaxies 36:10

9d ago36:10

36:10

Our galaxy series continues, on to spiral galaxies. In fact, you’re living in one right now, but telescopes show us the various shapes and sizes these galaxies come in. Thanks to JWST, we’re learning how these spirals got big, early on in the Universe.

1
Ep. 719: Galaxy Series - Spiral Galaxies 33:03

22m ago33:03

33:03

Astronomy Cast Ep. 719: Galaxy Series - Spiral Galaxies by Fraser Cain & Dr. Pamela Gay Streamed live on Apr 30, 2024. Our galaxy series continues, on to spiral galaxies. In fact, you’re living in one right now, but telescopes show us the various shapes and sizes these galaxies come in. Thanks to JWST, we’re learning how these spirals got big, earl…

1
Astronomy Cast Ep. 719: Galaxy Series - Spiral Galaxies 33:30

1h ago33:30

33:30

https://www.youtube.com/watch?v=P-DbR5rqX3U Streamed live on Apr 30, 2024. Our galaxy series continues, on to spiral galaxies. In fact, you’re living in one right now, but telescopes show us the various shapes and sizes these galaxies come in. Thanks to JWST, we’re learning how these spirals got big, early on in the Universe. This video was made po…

1
The Play's the Thing 1:02:15

4d ago1:02:15

1:02:15

Has children’s play become too safe? Research suggests that efforts to prioritize safety harms children’s mental and physical development during play and contribute to anxiety. One solution: introduce risk into play. We visit an adventure playground where kids play unsupervised with anything from scraps of metal to hammers and nails. Plus, what are…

1
Travelers in the Night Eps. 273E & 274E: Neighboring World & Coming Out Of Monsoon 5:30

8d ago5:30

5:30

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org Today's 2 topics: - Astronomers at the European Southern Observatory in Chile have discovered a rocky Earth-like planet orbiting Proxima Centauri…

1
NOIRLab - The Origins Of Castaway Gamma Ray-Bursts 7:01

18d ago7:01

7:01

Gamma-ray bursts are some of the most powerful explosions in the universe. Short gamma ray bursts are caused by the merger of two neutron stars. However, not all short gamma-ray bursts are associated with galaxies. In this podcast, Brendan O’connor, a graduate student at George Washington University, described recent research into the host galaxies…

1
EVSN - Supervolcanoes Remain Active Post-Eruption Longer Than Thought 23:14

4h ago23:14

23:14

From September 16, 2021. Research into the Toba caldera and its super-eruption 75,000 years ago shows that magma continued to flow out of the volcano for thousands of years after the main eruption event. Plus, magma and volcanoes throughout our solar system as well as our weekly What’s Up segment. We've added a new way to donate to 365 Days of Astr…

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