Wednesday, February 22, 2012

“New” black hole gives scientists opportunity for new studies

November 16, 2010 by · Leave a Comment 

A black hole, which has been discovered relatively recently, promises to give astronomers the chance to delve into the black hole phenomenon in ways which have not previously been possible. It will do this, by allowing astronomers to study how a black hole develops from its early days. “If our interpretation is correct, this is the nearest example where the birth of a black hole has been observed,” said a lead researcher from the Harvard-Smithsonian Center for Astrophysics in Massachusetts, Daniel Patnaude.

The black hole is believed to be left over from SN 1979C, a supernova spotted in (you guessed it) 1979 in galaxy M100 (roughly 50 million light years away from the Earth). Although this sounds like a staggeringly far-away distance to the layman, apparently this distance is considered to be within Earth’s “cosmic neighborhood”.

Apparently a black hole, which is a caused by a star collapsing in on itself, and which also represents a gravitational pull so strong that not even light can avoid being sucked into it, cannot be detected by astronomers visually; as such, this black hole was detected by way of an x-ray radiation glow, which was observed between 1995 and 2007.

Although other black holes have been discovered in more distant parts of the universe, this “new” one is notable for being (relatively) close to Earth, as well as for having been spotted so closely to its birth. This discovery may also give astronomers new insights into how giant stars explode, and about which ones cause black holes and why.

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