Supernovae
Kepler's Supernova Remnant
A supernova is an exploded star. This particular explosion was first observed by people on Earth on October 9, 1604. Famous astronomer Johannes Kep
Cassiopeia A: An Exploded Star
What you see in the pictures are expanding waves of star material after the explosion. The explosion occured about 11,000 years away in our own Mil
Supernova Remnant Menagerie
Location Our Milky Way galaxy is orbited by a satellite galaxy called the Large Magellanic Cloud (LMC). Inside that