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Black holes and the information paradox

Article Abstract:

Physicists are divided over the fate of information falling into a black hole, with some contending it is destroyed. The information paradox is resolved by the string theory, which states that the strings which comprise things allow the black hole's surface to hold information which fell into it.

Author: Susskind, Leonard
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1997
Gravity, Gravity (Force)

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The evolution of galaxy clusters

Article Abstract:

The concept of galaxy clusters was introduced on 1779, when astronomer Charles Messier observed a group of stationary splotches held together by a gravitation force. These clusters are actually assemblages of galaxies of distinct ages and types.

Author: Henry, J. Patrick, Briel, Ulrich G., Bohringer, Hans
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1998
Astronomy, Discovery and exploration

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Colossal galactic explosions

Article Abstract:

Patterns formed by extremely hot gases from galactic explosions provide information about the formation of galaxies and stars. Astronomers believe that black holes and nuclear starbursts cause galactic explosions.

Author: Veilleux, Sylvain, Cecil, Gerald, Bland-Hawthorn, Jonathan
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1996
Stars

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Subjects list: Analysis, Black holes (Astronomy), Galaxies, Galactic evolution
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