A supernova/ˌsuːpərnoʊvə/ plural: supernovae /ˌsuːpərnoʊviː/ or supernovas, abbreviations: SN and SNe) is an astronomical event that occurs during the ...
A supernova is the explosion of a star -- the largest explosion that takes place in space.
Aug 15, 2017 ... A supernova is the biggest explosion that humans have ever seen. Each blast is the extremely bright, super-powerful explosion of a star.
Jan 27, 2014 ... This Chandra X-ray photograph shows Cassiopeia A (Cas A, for short), the youngest supernova remnant in the Milky Way.
When supernovae explode, they jettison matter into space at some 9,000 to 25,000 miles (15,000 to 40,000 kilometers) per second. These blasts produce much ...
Aug 9, 2017 ... Every now and again our Milky Way galaxy is lit up by a huge explosion. Known as a supernova, this violent event marks the death of a ...
A supernova occurs when a dying star explodes. Learn how a supernova works at HowStuffWorks.
A supernova is the explosive death of a star, which unleashes a burst of light through the cosmos. Supernovas happen in two different ways: When massive stars ...