How big can a comet get?

Daniel and Kelly talk about how particles are detected, the heavy proton discovery, and de Sitter space.See omnystudio.com/listener for privacy information. 

Daniel and Kelly dive into the history of medicine. Syphilis arrived with a bang in Europe in 1493, but where did it come from?See omnystudio.com/listener for privacy information. 

Daniel and Kelly talk about a particularly quirky theory of dark matter that Daniel is searching for.See omnystudio.com/listener for privacy information. 

<b>Space Nuts Episode #478 Q&amp;A</b><br />Join Andrew Dunkley and Professor Fred Watson in this engaging Q&amp;A edition of Space Nuts as they tackle intriguing questions from listeners worldwide. From the massive size of Jupiter to the nature of gravity and the mysteries of th ... Show More

<p>How much junk can we accumulate in Earth's orbit before we seal off our world? Before we cut the planet off from the cosmos and doom civilization to a new dark age? In this episode, Robert and Julie look skyward to space exploration's garbage.</p><p> </p> Learn more about your ... Show More

What does Saturn look like? Why is Venus hotter than Mercury? Can the solar wind generate electricity on the Moon? Izzie, Dr Becky and Robert dive into The Supermassive Mailbox and answer your questions. The Supermassive Podcast is a Boffin Media production by Izzie Clarke and Ri ... Show More

<p>Can we go to warp speed? Neil deGrasse Tyson and comedian Chuck Nice answer a grab bag of fan questions about the expansion of space, higher dimensions, and more!</p><p>NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: <a href="https://startalkmed ... Show More

A super massive black hole broods at the center of our galaxy. In this Stuff to Blow Your Mind two-parter, Robert and Joe discuss just what that means -- and doesn’t mean -- for humanity, our solar system and our future.  Learn more about your ad-choices at https://www.iheartpodc ... Show More

A super massive black hole broods at the center of our galaxy. In this Stuff to Blow Your Mind two-parter, Robert and Joe discuss just what that means -- and doesn’t mean -- for humanity, our solar system and our future.  Learn more about your ad-choices at https://www.iheartpodc ... Show More

<p>Space Religion: Will humans leave religion behind when they become an interplanetary species? Not hardly. Join Robert and Julie as they discuss how belief systems may change as a result of space exploration, on off-world colonization or extraterrestrial contact.</p><p> </p> Le ... Show More

Dan and Shalma have a candid conversation about the state of dark matter research, and the ways the field has changed over the last few years.For exclusive ask-us-anything episodes, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverse. Our merch is availabl ... Show More