Probably the Vela supernova in the southern constellation Vela. Its source supernova exploded approximately 11,000-12,300 years ago (and was about 800 light years away).
It's Called A Supernova
Supernova
A supernova, or in the case of a smaller star, a nova.
It is called a supernova.
Supernova
supernova
Its called a Supernova.
A supernova.
That's called a supernova.
supernova
The earliest supernova that has ever been recorded happened in 185 AD. Some Chinese astronomers first saw it.
Dangerous. Novas, or supernovas. Tycho Brahe coined the phrase "nova stellarum" when a "new star" appeared in the night sky. We now know that he was observing a supernova, the death throes of a very massive star.