How Vast Is The Galaxy? Crazy Vast. Way Vaster Than Anything You Can Imagine.
Humanity will probably have killed itself before the sun does, but maybe not? Space travel is humanity's chance of surviving the sun's inevitable death, so let's start getting excited about it. Excited about space travel that is, not the sun killing everything on Earth. Give this video a watch and tell me you wouldn't like to walk around on Mars someday.