Radioactive Bubbles May Have Punched Holes in Supernova's Heart
Thursday, January 29, 2015 - 14:40
in Astronomy & Space
Bubbles of radioactive metal may have punched holes in the heart of Cassiopeia A, a nearby supernova, according to new observations. Studying the bubbly interior could help scientists understand why supernovas pop their corks in the first place, and what