Discovery image of AT2018cow – nicknamed The Cow by astronomers – acquired by the ATLAS telescopes. Image via Stephen Smartt/ATLAS.

Watching the COW Come Home


The COW in this case is a star – well, the remnants of a star – in a galaxy called CGCG 137-068. It’s about 200 million light years away. And COW is a stellar anomaly, something new in the heavens, whose light and other radiation is just now reaching us here on Earth. COW – technically,…