Supernovae mystery solved
Wednesday, June 30, 2010 - 15:21
in Astronomy & Space
(PhysOrg.com) -- Supernovae are gigantic stellar explosions that can be seen across the entire universe. Type Ia supernovae are a relatively homogeneous class of stellar explosions, which researchers use as 'standard candles' to observe the acceleration of the universe. It has long been known, however, that they exhibit considerable variation in their spectra and the origin of the differences has been unknown.
