stars
How Do Galaxies Die?
Everything eventually dies, even galaxies. So how does that happen? Time to come to grips with our galactic mortality. Not…
What Was Here Before the Solar System?
The Solar System is 4.5 billion years old, but the Universe is much older. What was here before our Solar…
Stars: A Day in the Life
There is something about them that intrigues us all. These massive spheres of gas burning intensely from the energy of…
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…
Turning Stars Into Art
We all have cameras, and the sky's an easy target, so why not have a little fun? Ever since I…
How Do We Know Dark Energy Exists?
We have no idea what it dark energy is, so how are we pretty sure it exists? I've talked about…
Weekly Space Hangout -March 13, 2015: Astrophysicist Katie Mack
Host: Fraser Cain (@fcain) Special Guest: Astrophysicist Katie Mack (@AstroKatie) Guests: Ramin Skibba (@raminskibba) Charles Black (@charlesblack / sen.com/charles-black) Brian…
How Far Back Are We Looking in Time?
When we look out into space, we're also looking back into time. Just how far back can we see? The…
Do Stars Move?
We know that Earth is not the center of the universe -- let alone the Solar System -- but looking…
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…