SN 1979C, Supernova in M100 Galaxy, Composite

2010 21st century astronomy astrophysical astrophysics birth of balck hole black hole burst of radiation celestial body composite image cosmography cosmology deep sky deep space epromo11282018 event horizon evolution of universe exploding star general relativity point of no return sn 1979c sn snr stellar explosion supernova remnant supernova void