Neutron Stars: Crash Course Astronomy #3215/06/2017admin When an 8 – 20 solar mass star ends its life, it does so with a bang: a supernova. And when it’s all [...]
A Brief History of the Universe: Crash Course Astronomy #4415/06/2017admin Hey folks, Phil Plait here, and for the past few episodes, I’ve been going over what we know about the structure, history, and [...]