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Black hole - Wikipedia, the free encyclopedia
In general relativity, a black hole is a region of space in which the gravitational field is so powerful that nothing, not even light, can escape. The black hole has a one-way surface, called an eve...
en.wikipedia.org/wiki/Black_hole
This site is intended for students age 14 and up, and for anyone interested in learning about our universe. ... But contrary to popular myth, a black hole is not a cosmic vacuum cleaner. If our Sun was suddenly replaced with a black hole of the same mass, the Earth's orbit around the Sun would be unchanged.
imagine.gsfc.nasa.gov/docs/science/know_l2/black_holes.... imagine.gsfc.nasa.gov/docs/science/know_l2/black_holes.html · Cached
Black holes are objects so dense that not even light can escape their gravity, and since nothing can travel faster than light, nothing can escape from inside a black hole. On the other hand, a black hole exerts the same force on something far away from it as any other object of the same mass would.
imagine.gsfc.nasa.gov/docs/science/know_l1/black_holes.... imagine.gsfc.nasa.gov/docs/science/know_l1/black_holes.html · Cached
Ever wonder what it would look like to travel to a black hole? A neutron star? If so, you might find this page interesting. Here you will find descriptions and MPEG movies that take you on such exciting trips.
antwrp.gsfc.nasa.gov/htmltest/rjn_bht.html · Cached
What is a black hole? ... What would happen to me if I fell into a black hole? ... If a black hole existed, would it suck up all the matter in the Universe?
cosmology.berkeley.edu/Education/BHfaq.html · Cached
Black Holes: Gravity's Relentless Pull. Information, virtual journeys, and simulations about black holes from the Space Telescope Science Institute ... Or you can go to the Black Hole Encyclopedia to browse the site's contents conveniently sorted by topic, but with fewer interactive and multimedia features.
hubblesite.org/explore_astronomy/black_holes/ hubblesite.org/explore_astronomy/black_holes/ · Cached
The Black Hole - Wikipedia, the free encyclopedia
The Black Hole is a 1979 science fiction movie directed by Gary Nelson for Walt Disney Productions. The film stars Maximilian Schell, Robert Forster, Joseph Bottoms, Yvette Mimieux, Anthony Perkins...
en.wikipedia.org/wiki/The_Black_Hole
Black holes occur when a star dies. Find out how black holes are made, types of black holes, parts of black holes and how we detect black holes in space. ... You may have heard someone say, "My desk has become a black hole!" You may have seen an astronomy program on television or read a magazine article on black holes.
www.howstuffworks.com/black-hole.htm www.howstuffworks.com/black-hole.htm · Cached
A black hole is a theoretical entity predicted by the equations of . A black hole is formed when a star of sufficient mass undergoes gravitational collapse, with most or all of its mass compressed into a sufficiently small area of space, ca...
http://physics.about.com/od/astronomy/f/BlackHole.htm
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