Archive: https://archive.today/HZ6MR From the post: >>Scientists have captured the moment the shockwave of a supernova explosion breaks out through the surface of a doomed star for the first time, revealing what appears to be a surprisingly symmetrical detonation. Seeing this moment in detail has previously been elusive because it's rare for a supernova to be spotted early enough and for telescopes to be trained on it — and when they have been, the exploding star has been too far away.