Astronomers Locate Planetary Nebula in the Messier 37 Cluster
It’s pretty hard to be an astronomer and not give Messier 37 (aka M37 or NGC 2099) some attention. It’s…
The Sun Will Turn Into A Planetary Nebula After Its Death And Will Shine As Such For 10,000 Years
When a star dies, it launches into space a mass of gas and dust which can be up to half…