A Supernova Seen 1000 Years Ago Is Still Expanding Today

The Crab Nebula goes back to 1054, opening a window into our cosmic past.Continue reading on Starts With A Bang! »

A Supernova Seen 1000 Years Ago Is Still Expanding Today

The Crab Nebula goes back to 1054, opening a window into our cosmic past.

Source : Starts With A Bang! More