How many stars can a solar system have?

Daniel and Kelly chat with Dr. Gina Poe about sleep and dreams - including whether mushrooms sleep, what Daniel's dog is doing in the middle of the night, and what rats dream about.See omnystudio.com/listener for privacy information. 

Daniel and Kelly talk about recent mathematical innovations that suggest a third category of particles beyond matter and forces.See omnystudio.com/listener for privacy information. 

Over 100,000 people are on the organ transplant waitlist in the United States. Unfortunately, many of these people will not get an organ in time. Daniel and Kelly talk about the science and ethics behind using transgenic pigs to fill the shortfall.See omnystudio.com/listener for ... Show More

Like most things in the universe, stars begin as particles floating around in massive clouds of dust and gas. But what forces these particles to coalesce and form a star? Tune in and learn more about the birth of stars in this podcast. Learn more about your ad-choices at https:// ... Show More

On a clear night, the stars seem to wink and twinkle in the sky. Learn why in this classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/why-do-stars-twinkle.htm Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystud ... Show More

After our sun dies, it and many other stars will eventually crystallize. Learn how astrophysicists figured this out -- and how it works -- in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for pri ... Show More

Can you see the light of the stars from the bottom of a well? Did an astrologer once fall into a well because he was staring up at the stars? In this episode of Stuff to Blow Your Mind, Robert and Joe discuss a couple of well-and-cosmos-related tales from antiquity.See omnystudio ... Show More

Can you see the light of the stars from the bottom of a well? Did an astrologer once fall into a well because he was staring up at the stars? In this episode of Stuff to Blow Your Mind, Robert and Joe discuss a couple of well-and-cosmos-related tales from antiquity. (originally p ... Show More

If you guessed 'gravity' you're right -- but a few specific factors make Jupiter so much moonier than planets like Earth. Learn more in this episode of BrainStuff.  Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy inf ... Show More

Justin Spilker and his colleagues at Texas A&M University have detected the oldest and most distant organic molecules in the known Universe using the James Webb Space Telescope. Justin joins Planetary Radio to talk about the discovery and what it means for our understanding of st ... Show More

Why do stars shine? How long do they shine? This lecture describes the physics of stars on the main sequence, describes the mass-luminosity relation of main sequence stars, introduces nuclear fusion power and the nuclear fusion lifetimes of stars. From this we gain an important i ... Show More

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 ... Show More