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Weekly Space Hangout – Dec. 6, 2017: Brian Koberlein and “Big Science”

Hosts: Fraser Cain (universetoday.com / @fcain) Dr. Paul M. Sutter (pmsutter.com / @PaulMattSutter) Dr. Kimberly Cartier (KimberlyCartier.org / @AstroKimCartier ) Dr. Morgan Rehnberg (MorganRehnberg.com / @MorganRehnberg ChartYourWorld.org) Special Guests: Regular viewers of the Weekly Space Hangout will remember Brian as one of our regular weekly contributors. Today he joins us as our Special Guest to …

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Check Out Some of the Best Space Writing on Google+: Brian Koberlein

Brian Koberlein is a professor at Rochester Institute of Technology. When he’s not teaching, though, he’s communicating science and education on Google+ of all places. Instead of doing a traditional blog, he’s posting article after article directly onto G+. He’s gathered a huge following on the social network, and a level of interaction that would …

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What is Time Dilation?

One of the strangest implications of Relativity is the concept of time dilation; how people moving at different speeds will experience different amounts of time. Dr. Brian Koberlein helps us figure it out.

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Most Mars Meteorites Came From Five Craters

We’ve learned a tremendous amount about Mars because samples from the Red Planet have already been delivered to Earth: meteorites. Scientists have studied the composition of Martian meteorites and tracked down the specific craters on Mars where many of them came from. It’s believed that Mars has been struck hard enough to produce meteorites about ten times in recent history. Some of these craters have yet to be matched with meteorites, but the rocks could be out there.

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Atmospheres in the TRAPPIST-1 System Should be Long Gone

When the TRAPPIST-1 system was discovered, astronomers were elated to find seven Earth-sized worlds, three in the star’s habitable zone. JWST has made follow-up observations and failed to detect atmospheres in the first two planets. What about the rest? According to a new paper, the solar winds and powerful flares should have stripped away the atmospheres from the rest of the planets within 100 million years of formation – they’re long gone.