Did Jupiter once have a different orbit?

Daniel and Kelly get answers to listener questions about why we age from Dr. Venki Ramakrishnan, author of "Why We Die: The New Science of Aging and the Quest for Immortality".See omnystudio.com/listener for privacy information. 

Daniel and Kelly talk about how gravity, magnetism and relativity work together to create one of the most brilliant spectacles in the Universe.See omnystudio.com/listener for privacy information. 

Daniel and Kelly talk to Phil Metzger about the engineering challenges of building self-replication space probes.See omnystudio.com/listener for privacy information. 

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

In this episode of BrainStuff, Marshall explains the physics behind satellites and orbits. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

NASA's epic Cassini mission taught us a lot about Saturn and its moons -- and about ourselves, too. Learn more about it in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy informati ... Show More

Robert and Joe explore the origins and impact of toothpaste... Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

NASA's DART mission aims to subtly alter the orbit of one small asteroid around another -- and thus change the trajectory of objects outside Earth for the first time. Learn more in this episode of BrainStuff: https://science.howstuffworks.com/dart-nasas-asteroid-redirecting-missi ... Show More

Once more, it's time for a weekly dose of Stuff to Blow Your Mind and Weirdhouse Cinema listener mail... Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

Astronauts left over a hundred items on the moon's surface. But are today's telescopes powerful enough to see what's there? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

The Kepler Telescope has detected hundreds of exoplanets in our galaxy. What's the story behind it and how does it work?See omnystudio.com/listener for privacy information. 

Alan Thurgood, Space Dynamics Lab’s Director of Civil Space, joins Lee to explain the lab's roll in the asteroid touch down earlier this week.See omnystudio.com/listener for privacy information. 

Does this exist or is it an excuse ? We also recap our interview with Hayley Arceneaux about her trip to space! Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.