9 septiembre 2014
Using NASA’s Hubble Space Telescope, astronomers have discovered a companion star to a rare class of supernova, known as a Type IIb. The discovery confirms a long-held theory that the supernova, dubbed SN 1993J, occurred inside what is called a binary system, where two interacting stars caused a cosmic explosion.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-IPqIDG25vE/140909130754.htm
