Something pulled the outer layer of Cassiopeia A off before it detonated to form this gorgeous supernova. But what?
Source: https://www.livescience.com/cassiopeia-a-skinned-supernova.html
Only the Autodidact is Free
Something pulled the outer layer of Cassiopeia A off before it detonated to form this gorgeous supernova. But what?
Source: https://www.livescience.com/cassiopeia-a-skinned-supernova.html