Supernovae are intensely bright objects. They are formed when a star reaches the end of its life with a dramatic explosion, expelling most of its material out into space. Another star has now exploded, forming supernova SN 2013ek.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/D...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/D...