Exploding star breaks record for brightest supernova

An exploding star (illustrated) detected on June 14 is the most powerful one seen to date — 600 billion times as bright as the sun.
M. Weiss, CXC, NASA
An exploding star (illustrated) detected on June 14 is the most powerful one seen to date — 600 billion times as bright as the sun.
M. Weiss, CXC, NASA