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Astrophysics > Black Holes v



Black Hole
    

A massive astrophysical object that is theorized to be created from the collapse of a neutron star. The gravitational forces are so strong in a black hole that they overcome neutron degeneracy pressure and, roughly speaking, collapse to a point (known as a singularity). Even light cannot escape the gravitational pull of a black hole within the black hole's so-called Schwarzschild radius.

Uncharged, zero angular momentum black holes are called Schwarzschild black holes. Uncharged nonzero angular momentum black holes are called Kerr black holes. Nonspinning charged black holes are called Reissner-Nordström black holes. Charged, spinning black holes are called Kerr-Newman black holes. The black hole no hair theorem shows that mass, charge, and angular momentum are the only properties which a black hole can possess.

type of black hole mass angular momentum charge
Kerr black hole M > 0 J > 0 Q = 0
Kerr-Newman black hole M > 0 J > 0
Reissner-Nordström black hole M > 0 J = 0
Schwarzschild black hole M > 0 J = 0 Q = 0

Bardeen-Petterson Effect, BKL Singularity, Blandford-Znajek Process, Eternal Black Hole, Hoop Conjecture, Kerr Black Hole, Kerr-Newman Black Hole, Loveluck Black Hole, Price's Theorem, Reissner-Nordström Black Hole, Schwarzschild Black Hole




References

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Gribbin, J. R. Unveiling the Edge of Time: Black Holes, White Holes, Wormholes. Harmony, 1992.

Matzner, R. A.; Seidel, H. E.; Shapiro, S. L.; Smarr, L.; Suen, W.-M.; Teukolsky, S. A.; and Winicour, J. "Geometry of a Black Hole Collision." Science 270, 941-947, 1995.

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Petrich, L. I.; Shapiro, S. L.; and Teukolsky, S. A. "Accretion onto a Moving Black Hole: An Exact Solution." Phys. Rev. Let. 60, 1781-1784, 1988.

Press, W. H. "Long Wave Trains of Gravitational Waves from a Vibrating Black Hole." Astrophys. J. 170, 105-108, 1971.

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Schödel, R. et al. "A Star in a 15.2-Year Orbit Around the Supermassive Black Hole at the Centre of the Milky Way." Nature 419, 694-696, 2002.

Shapiro, S. L. and Teukolsky, S. A. Black Holes, White Dwarfs, and Neutron Stars: The Physics of Compact Objects. New York: Wiley, 1983.

Smarr, L. Sources of Gravitational Radiation. Cambridge, England: Cambridge University Press, p. 245, 1979.

University of Illinois. "Black Holes and Beyond." http://www.ncsa.uiuc.edu/Cyberia/NumRel/BlackHoles.html.

Wald, R. M. (Ed.). Black Holes and Relativistic Stars. Chicago, IL: University of Chicago Press, 1998.

Wald, R. M. Quantum Field Theory in Curved Spacetime and Black Hole Thermodynamics. Chicago, IL: University of Chicago Press, 1994.

Wald, R. M. Space, Time, and Gravity: The Theory of the Big Bang and Black Holes, 2nd ed. Chicago, IL: University of Chicago Press, 1992.

Weinberg, S. Gravitation and Cosmology: Principles and Applications of the General Theory of Relativity. New York: Wiley, 1972.

Weisstein, E. W. "Books about Black Holes." http://www.ericweisstein.com/encyclopedias/books/BlackHoles.html.







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