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To: Boplicity who wrote (26329)	8/3/1999 9:17:00 PM
From: MulhollandDrive	Read Replies (1) \| Respond to of 93625

ot Milky Way? bp

To: Boplicity who wrote (26329)	8/3/1999 10:24:00 PM
From: Dave B	Read Replies (2) \| Respond to of 93625

Greg, Black holes actually can and do radiate, and all black holes will eventually radiate themselves smaller and smaller until they disappear (theory courtesy of Stephen Hawking). It has to do with the spontaneous creation in empty space of matching particles and anti-particles -- the anti-particles fall into the black hole and the particles shoot out as if they had escaped the hole. The anti-particles meet a corresponding particle inside the black hole resulting in mutual annhilation. Result: one less particle inside the black hole, one new particle shooting off into space away from the black hole. Also, light does escape the black hole, but the gravitational effect is to red shift it down to the point where it has no frequency, effectively turning it completely invisible. That's about as much as I know (I saw Hawking speak last year in San Jose). I have no idea though where they've discovered a black hole. In the center of our galaxy (towards Sagittarius)? If this is a hobby of yours, PM me. Dave