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Re: Blackholes
Forum List | Follow Ups | Post Message | Back to Thread Topics | In Response To Posted by Herb S. on January 29, 2000 02:42:08 UTC |
: what are blackholes? Blackholes are highly compressed objects, such that the escape velocity from the surface is greater than the speed of light (this is a very simplified picture). Astronomers have identified two classes of candidates. First, when a large star runs out of fuel, it will collapse under gravity. A typical large star will become a supernova, blowing off a lot of material. If the remnant is more than 1.4 solar masses, it will collapse into a black hole. The second class consists of galactic centers, which can be billions of solar masses in a very small volume. I suggest you read Kip Thorne's "Black Holes and Time Warps" to get a much more complete (and more accurate) description.
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