Latest SN 1993J Stories
John P. Millis, Ph.D. for redOrbit.com — Your Universe Online Supernovae are important astronomical objects. They tell us about how stars die and are used as measuring sticks to investigate distant galaxies. But there is still some uncertainty as to how the supernova process proceeds in some cases. It is believed that the most common progenitor of Type II supernova is the collapse of supergiant stars. In this phase of their evolution stars oscillate between red supergiant and more...
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