Tuesday, July 05, 2011

Dark Energy and Zombie Stars

by Tammy Plotner from Universe Today.

Image credit: Supernova 1994D. The supernova is the bright point in the lower-left. It is a type Ia thermonuclear supernova like those described by Howell. The supernova is on the edge of galaxy NGC 4526, depicted in the center of the image. Credit: NASA/Hubble Space Telescope