2nd October 2019

skyandtelescope
18

What do stars do when they die?

Generally, the more massive the star, the faster it burns up its fuel supply, and the shorter its life. The most massive stars can burn out and explode in a supernova after only a few million years of fusion. A star with a mass like the Sun, on the other hand, can continue fusing hydrogen for about 10 billion years.

How stars are born and how they die?

Stars are born, grow up, and eventually die. The exact way that stars change as they age (or how they evolve) depends on how massive they are at birth. Stars are born when large gas clouds collapse under gravity. They form hot cores that gather more and more gas and dust until a protostar is formed.