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Black Holes
Part 1 of Paper
....laxy NGC 4621, located 100 million light-years from Earth in the direction of the constellation Virgo.
This is the second super-massive black hole that astronomers using the Hubble Space Telescope have found. Astronomers believe that the mass of this black hole is about 1.2 billion times the mass of our sun, but it is.... Part 2 of Paper
.... the black hole is 20 light-years from the center of the galaxy, but since the black hole is so massive it is hard to explain how it could have been moved. One idea is that the black hole is moving itself. Some astronomers think that the disk of dust serves as a "fuel tank." The black hole sucks in the material which is absorbed by gravity, compressed, and heated to tens of millions of degrees. This theory would explain why radio telescopes have observed radio jets, or hot gas exhausts from .... |
| Number of words: 806 - Approximate pages: 3 |
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