Hydrogen
How Quickly Does a Supernova Happen?
When a massive star reaches the end of its life, it can explode as a supernova. How quickly does this…
Will the Universe Run Out Of Energy?
It seems like the good times will go on forever, so feel free to keep on wasting energy. But entropy…
What Is A Wolf-Rayet Star?
Wolf-Rayet stars represent a final burst of activity before a huge star begins to die. These stars, which are at…
How Much Water Would Extinguish the Sun?
Have you ever wondered how much water it would take to put out the Sun? It turns out, the Sun…
How Many Stars Did It Take To Make Us?
You know the quote, we're made of stardust. Generation after generation of stars created the materials that make us up.…
Weekly Space Hangout – Dec. 5, 2014: Orion’s Successful Launch!
Host: Fraser Cain (@fcain) Guests: Morgan Rehnberg (cosmicchatter.org / @cosmic_chatter) Ramin Skibba (@raminskibba) (more…)
When Did the First Stars Form?
Shortly after the Big Bang, the Universe had cooled to the point that the first stars could form out of…
Weekly Space Hangout – Oct. 17, 2014: Comet Siding Spring & Dark Matter
Host: Fraser Cain (@fcain) Guests: Morgan Rehnberg (cosmicchatter.org / @cosmic_chatter) (more…)
What’s Inside Jupiter?
Jupiter is like a jawbreaker. Dig down beneath the swirling clouds and you'll pass through layer after layer of exotic…
How Do You Jumpstart A Dead Star?
It's a staple of science fiction, restarting our dying star with some kind of atomic superbomb. Why is our Sun…