Podcast: Sound in Space
Shhhh, shhh. You can stop screaming. That’s because nobody can hear you … in space. But why not? How does sound work here on Earth, and what would it sound like on other planets? Click here to download...
View ArticleThe Great Galactic Turn-Off
Are you ready for a new galactic puzzle? Then let’s start with some clues. It has been long assumed that some galaxies reach a point in their evolution when star formation stops. In the distant past,...
View ArticlePodcast: The Inverse-Square Law and Other Strangeness
Why don’t we have insects the size of horses? Why do bubbles form spheres? Why does it take so much energy to broadcast to every star? Let’s take a look at some non-linear mathematical relationships...
View ArticleTrojan Asteroid Found Orbiting Uranus
What’s new in the outer reaches of our solar system? Try the discovery of a Trojan asteroid orbiting Uranus. While a plethora of puns exist for this simple fact, the reality check is that this means...
View ArticleNew Podcasts: Precession and Acceleration
We’ve got two new podcasts from the Astronomy Cast team of Dr. Pamela Gay and Fraser Cain: Ep. 313: Precession, and Episode 314: Acceleration. 313: Precession The Earth is wobbling on its axis like a...
View ArticleThis is the Moon, the Whole Moon and Nothing But the Moon
Take a look around the Moon… no, really, take a good look AROUND the Moon! This is a fantastic animation of our planetary partner in space made by the folks on the Lunar Reconnaissance Orbiter team at...
View ArticleUsing the ‘Missing Physics’ of Stellar Feedback to Accurately Simulate...
For the first time, astronomers are able to accurately simulate galaxies from shortly after the big bang to today by including a realistic treatment of the effects stars have on their host galaxies....
View ArticleWill The Sun Explode?
All stars die, some more violently than others. Once our own Sun has consumed all the hydrogen fuel in its core, it too will reach the end of its life. Astronomers estimate this to be a short 7 billion...
View ArticleSupermassive Black Holes or Their Galaxies? Which Came First?
It’s a mystery that’s puzzled astronomers for years. Which came first, supermassive black holes or the galaxies that surround them? The post Supermassive Black Holes or Their Galaxies? Which Came...
View ArticleWeekly Space Hangout: Oct 31, 2018 – David Dickinson
Hosts: Fraser Cain (universetoday.com / @fcain) Dr. Paul M. Sutter (pmsutter.com / @PaulMattSutter) Dr. Kimberly Cartier (KimberlyCartier.org / @AstroKimCartier ) Dr. Morgan Rehnberg...
View ArticleWeekly Space Hangout: December 4, 2019 – Dr. Becky Smethurst’s “Space: 10...
Hosts: Fraser Cain (universetoday.com / @fcain) Dr. Brian Koberlein (BrianKoberlein.com / @BrianKoberlein) Sondy Springmann (@sondy) Michael Rodruck (@michaelrodruck) Tonight we air Fraser’s...
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