They are black and full of stars.
2006-11-07 14:36:58
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answer #1
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answered by Anonymous
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They are giant vacuum cleaners in space. The edge of a black hole is called an "event horizon". A black hole is a giant center of gravity and stars orbit around them. The very edge is called the "event horizon". The orbits bring the stars closer and closer to the edge of the black hole, until they slip into it. The gravity of a black hole is so dense, that even light cannot escape it.
I just saw a show this past week, that said that they have discovered that these black holes seem to go through feeding cycles....in other words, there are times when the action seems to speed up and they swallow up a greater number of stars in a given time.
It has been said that, if a human would fall into a black hole, we would be stretched out like a rubber band and eventually be pulled to pieces. There is so much more, and I'm afraid I can't speak with the technospeak of an astronomer, but they sure are interesting phenomena.
2006-11-07 14:47:40
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answer #2
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answered by Anonymous
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In Theory, Black Holes are "Singularities" from which nothing can escape, but generate psuedo particles at the event horizon. Those Psuedo particles are created in pairs, and if one particle escapes while the other falls into the Singularity the escaping particle gains mass, and the one falling into the Singularity actually negates mass in the balance... It's all very interesting, and you can read about it in Stephen Hawking's "Black Holes aren't so Black" or "The Universe in a Nutshell"...
Of further interest...
The Big Bang theory suggests that all the mass in the universe came from a Singularity Explosion... However, they avoid answering how that happened using the old, "The current laws of physics do not apply", which is as clear as mud and as good as saying, "And God said, let there be light, and there was..."
Man, I hate theories that evade qualifying mathematics by claiming the rules change for thier occurences...
Perhaps you would like to hear my inward universal expansion theory, which would better qualify the Singularity's expansion into a Universe... But to most it sounds like science-fiction, so I'll not bore you at this time...
2006-11-07 23:51:49
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answer #3
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answered by Jorrath Zek 4
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Black holes started life as giant suns which have collasped because they are burned out and are soooo big that when they collasped the escape velocity( this is the speed that anything that wants to leave the surface must reach.) of the the star is faster that the speed of light. so , this means that light cannot leave the surface(this is known as the event horizon) and that's why they are called black holes.
light can be bent by gravity so it is possible that at a certain distance fron the black hole light may be able to orbit the black hole( that if you can stand at that distance and not die and shine a torch it will light up the back of your head.)
God bless,
gabe
2006-11-07 14:47:20
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answer #4
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answered by gabegm1 4
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Blackholes are just that, huge masses, that are so massive that they suck everything up including light so that is why they are black. If you would fall into a black hole you would never get out. Ok, not very scientifically exact and I am sure someone can explain better!
2006-11-07 14:46:20
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answer #5
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answered by J. A. M. 4
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It occurs to me for all time. each so often they even furnish a bottle of effective wine, like Mad canine 20/20. It gets so undesirable that at circumstances i'm unable to circulate away the refrigerator carton I call abode.
2016-11-28 02:46:53
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answer #6
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answered by kittredge 3
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They are NOT holes, they are stars that have a gravity equal to the speed of light, so no light can escape.
They are NOT holes, so you CANNOT travel through them to a different dimension/space, you would be squashed out of existence.
2006-11-07 14:45:26
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answer #7
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answered by tattie_herbert 6
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Nothing escapes the gravity of a black hole, not even Light passes through them
2006-11-07 17:44:14
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answer #8
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answered by Santhosh S 5
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Have a look at this site. Lots of links at the bottom:
http://en.wikipedia.org/wiki/Black_hole
2006-11-07 17:21:17
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answer #9
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answered by Anonymous
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my girlfriend has one
2006-11-07 14:44:43
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answer #10
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answered by Anonymous
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