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Beginning of Paper
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Black Holes
On December 3, 1995, astronomers using the Hubble Space Telescope identified a black hole in the galaxy 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 Teles ....
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Middle of Paper
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.... 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 the black hole's area. The exhaust may be pushing the black hole across space, as a jet engine gives thrust to a plane.
According to Ted Bunn, an astronomer at Berkley University, "A black hole is a region of space that has so much mass concentrated in it that there is no way for a nearby object to escape its gravitational pull ....
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SUBJECTS
