One of the few remaining mysteries of science is the black hole. When a star runs out of fuel to keep it burning, it explodes into a supernova(Intro. to Black Holes 1) After a supernova, some of the matter that was blown off leaves in pockets to different places in space. These pockets contract to from a pulsar, or new born star. The rest of the matter left from the massive explosion of the supernova …showed first 75 words of 670 total…

…showed last 75 words of 670 total…density of that magnitude and orbits of that speed, it is most certainly a black hole(Freedman 69). Works cited: Filkin, David. "Stephen Hawking’s Universe." New York: Harper Collins Publishers, Inc., 1997 Freedman, David H. "The Mysterious Middle of the Milky Way." Discover. November 1998: 66-75 "Introduction to Black Holes" n. pag. Online. America Online. 18 April 1999. Available: http://www.damtp.cam.ac.uk/user/gr/public/bh_intro.html Olson, Steve. "Black Hole Hunters." Astronomy. May 1999: 48-55