Supernova Alert! Astronomers Spot Warning Outburst

SPACE.com
Supernova Alert! Astronomers Spot Warning Outburst
The image shows a simulation of a collision between two shells of matter ejected by a massive star in two subsequent pulsational pair-instability supernova eruptions, only years apart, just before the star dies. Image released Feb. 7, 2013.
View Comments (1)