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Black hole - Wikipedia, the free encyclopedia
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Black hole page from NASA's "Imagine the universe!" site; includes a section on observational aspects - "If We Can't See Them, How Do We Know They're There?" 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,
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You can Get Flash for free. 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.
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Descriptions and MPEG movies based on general relativistic simulations of black holes: What will an observer see close to a black hole, or in the neighborhood of a neutron star? Simulations and pages created by Robert Nemiroff (Michigan Technological University Fantasy MPEG movie to a black hole...
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It is now believed that at the center of each galaxy there is a super-massive black hole that is millions to billions of times heavier than our sun. A "torus" in the inner accretion shields the black hole in those systems that are viewed edge on (which is probably the case for our galactic center).
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NASA's Chandra X-ray Observatory has spotted a curious outburst from our galaxy's core -- a sign that the Milky Way's central black hole may be snacking on its neighbors. But finding it hasn't been easy. Light (by definition) can't escape a black hole, so the Milky Way's central monster has remained elusive.
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List of questions that explore the basic properties of black holes (such as what happens when you fall in, or how a black hole evaporates). The horizon has some very strange geometrical properties. To an observer who is sitting still somewhere far away from the black hole, the horizon seems to be a nice,
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A faint visible-light flash likely heralds the merger of two dense neutron stars to create a relatively low-mass black hole. An artist's impression of merging neutron stars, one of the theoretical progenitors of gamma-ray bursts and the birth of a black hole.
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The official site of Armies of Exigo, a fantasy real-time strategy game from Black Hole Entertainment.
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Freudenrich, Ph.D., Craig. "How Black Holes Work." 26 November 2006. HowStuffWorks.com. <http://science.howstuffworks.com/black-hole.htm> 11 November 2008. 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.
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