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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.
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imagine.gsfc.nasa.gov/docs/science/know_l2/black_holes....
imagine.gsfc.nasa.gov/docs/science/know_l2/black_holes.html
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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 ... Ever wonder what it would look like to travel to a black hole?
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antwrp.gsfc.nasa.gov/htmltest/rjn_bht.html
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Answers to black hole questions like "How big is a black hole?" ,"How do black holes evaporate?", and "What is a wormhole? ... What is a black hole?
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cosmology.berkeley.edu/Education/BHfaq.html
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1. What is a black hole?; 2. How is a stellar black hole created?; 3. How can light be trapped by the gravitational pull of a black hole if light has no mass?; 4. How does a black hole appear?; 5. Is a black hole a giant cosmic vacuum cleaner?; 6. Do all stars become black holes?; 7. How many kinds of black holes are...
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amazing-space.stsci.edu/resources/explorations/blackhol...
amazing-space.stsci.edu/resources/explorations/blackholes/teacher/sciencebackground.html
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Fall into a black hole on a real free fall orbit. All distortions of images are real, both general relativistic from the gravitational bending of light, and special relativistic from the near light speed orbit. ... After you are done dying at the central singularity of the black hole, feel free to explore more about...
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casa.colorado.edu/~ajsh/schw.shtml
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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.
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www.howstuffworks.com/black-hole.htm
www.howstuffworks.com/black-hole.htm
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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. The massive black hole captures nearby stars and drags them into a swirling accretion disk.
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heasarc.gsfc.nasa.gov/docs/blackhole.html
heasarc.gsfc.nasa.gov/docs/blackhole.html
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Pages by the relativity group at Cambridge University, aimed at a general audience. ... Introduction to black holes ... Observational evidence for black holes...
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www.damtp.cam.ac.uk/user/gr/public/bh_home.html
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