Fraser Cain
Why Do Red Giants Expand?
We know that the Sun will last another 5 billion years and then expand us a red giant. What will…
How Are Galaxies Moving Away Faster Than Light?
So, how can galaxies be traveling faster than the speed of light when nothing can travel faster than light? I’m…
Weekly Space Hangout – Oct. 9, 2015: Nobel Prizes, Private Moon Launches & Water on Pluto!
Host: Fraser Cain (@fcain) Guests: Paul Sutter (pmsutter.com / @PaulMattSutter) Morgan Rehnberg (cosmicchatter.org / @MorganRehnberg ) Kimberly Cartier (@AstroKimCartier )…
New World’s Conference Starts Oct. 16
If you're going to be in the Austin area on October 16/17, and you're into space exploration, you're going to…
What are White Holes?
Black holes are created when stars die catastrophically in a supernova. So what in the universe is a white hole?…
Astronomy Cast Ep. 387: Water on Mars… Again
Have you heard the big news? NASA has reported that Mark Whatney is alive and well on the surface of…
Astronomy Cast Ep. 386: Orbiting Observers
The atmosphere keeps us alive and breathing, but it really sucks for astronomy. Fortunately, humanity has built and launched space…
Is Jupiter Our Friend Or Enemy?
Like me, you’re probably a little ego-geocentric about the importance of Earth. It’s where you were born, it’s where you…
Weekly Space Hangout – Oct 2, 2015: Water on Mars, Blood Moon Eclipses, and More Pluto!
Host: Fraser Cain (@fcain) Guests: Morgan Rehnberg (cosmicchatter.org / @MorganRehnberg ) Pamela Gay (cosmoquest.org / @cosmoquestx / @starstryder) Kimberly Cartier…
Can You Kill a Star With Iron?
Since the energy required to fuse iron is more than the energy that you get from doing it, could you…