Media Summary: People have witnessed supernovae for millennia, but what threat do they pose to life on Earth? This video is sponsored by ... At first, astronomers thought it was a super-supernova. Now they think the blast was caused by a crazy cosmic collision. Subscribe ...
A Star Exploding In Space - Detailed Analysis & Overview
People have witnessed supernovae for millennia, but what threat do they pose to life on Earth? This video is sponsored by ... At first, astronomers thought it was a super-supernova. Now they think the blast was caused by a crazy cosmic collision. Subscribe ...
![Crab Supernova Explosion [1080p]](https://i.ytimg.com/vi/aysiMbgml5g/mqdefault.jpg)
