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Black Holes 2 - College Essays

Black Holes 2


What are black holes? Black holes are the remains of a massive star that has collapsed and shrunk to a tiny point in space. They have all of the gravity of the star concentrated into a miniscule point many times smaller than the original. Black holes are difficult to see because they are spinning faster than the speed of light. This causes all light to be pulled to them leaving no refractions to be seen by the naked eye. The only way to actually “see” a black hole is through the clues they give off.
Where do black holes come from? Black holes are formed when giant stars run out of fuel and are overwhelmed by their own gravity. When this happens they cannot keep from collapsing. After ...

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at which the escape velocity is just equal to the speed of light is called the event horizon. Anything, including light, that passes across the event horizon toward the black hole is forever trapped.
Using a small black marble as an example to represent the size that the Earth would become if it collapsed and became a black hole, Todd R. Lauer, of the National Optical Astronomy Observatories said, " Black holes are very messy eaters. If you took that marble to an 'all-you-can-eat buffet' allowing it to consume all the matter around it, the feeding frenzy would produce as much radiation as the Sun." Research indicates that black holes may have existed at the beginning of time. Black holes are so dense that not even light can escape. Looking towards a black hole, the stars behind it would appear out of place because black holes distort light. The immense gravitational pull of black holes is thought to be responsible for the swirling masses of stars in spiral galaxies throughout ...

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PAPER DETAILS
Added: 11/7/2004 12:17:43 AM
Category: Science & Nature
Type: Premium Paper
Words: 874
Pages: 4

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