Re: what happends after a quasars die?

Hannah,

Astronomers think that quasars are very energetic (i.e., bright) centers of distant galaxies. Current theories suggest that that the energy we see on Earth is coming from matter falling into a supermassive black hole. Therefore, once a quasar has used up all of the gas in the area near it, all that would be left is a black hole. As Professor Barbara Ryden at The Ohio State University puts it, "Old quasars never die; they only fade away."

By the way, if you're curious about what happens to a black hole at the end of its life, you might try checking out this link, "Do black holes die?" to find out more.

Keep asking good questions,
Amber