Crédit photo : NASA, ESA, G. Bacon (STScI)
This is an artist’s impression of supernova 1993J, which exploded in the galaxy M81. Using the Hubble Space Telescope, astronomers have identified the blue helium-burning companion star, seen at the center of the expanding nebula of debris from the supernova.
Créé le 16/11/17 à 23:58 par
Luthien