New data from NASA's Chandra X-ray Observatory offer a glimpse into the environment of a star before it exploded earlier this year, and insight into what triggered one of the closest supernovas witnessed in decades.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/m...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/m...