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John H

Black Holes

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Page 1: Black  Holes

John H

Page 2: Black  Holes

A black hole is a region of space where nothing, not even light can escape

They are thought to be the last stage of life for a star

Page 3: Black  Holes

Black Holes are formed as old stars collapse

As the starts core stars to collapse gravity takes control and the star explodes

The gravity becomes so strong and dense that nothing can escape thus creating a Black Hole

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The center of the Black Hole is most often referred to as the “singularity”

Surrounding the “singularity” is the “event horizon”, which is the area in which things are pulled back into the Black Hole

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Black Holes rotate at several thousand revolutions per second

The lack of light makes Black Holes invisible in space

The nearest Black Hole is several light-years away

Page 8: Black  Holes

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"Chapter 20 – From Young Stars to Black Holes: Questions & Answers « Helen's Guide To The Galaxy." Helen's Guide To The Galaxy. N.p., n.d. Web. 30 Jan. 2010. <http://helensguidetothegalaxy.wordpress.com/2009/05/02/chapter-20-from-young-stars-to-black-holes-questions-answers/>.

"The Schwarzchild Black Hole." Think Quest. N.p., n.d. Web. 28 Jan. 2010. <http://library.thinkquest.org/25

"HubbleSite: Black Holes: Gravity's Relentless Pull." HubbleSite -- Out of the ordinary...out of this world.. N.p., n.d. Web. 30 Jan. 2010. <http://hubblesite.org/explore_astronomy/black_holes/home.html>.

**Jefferis, David. Black Holes: And Other Bizarre Space Objects (Science Frontiers). New York: Crabtree Publishing Company, 2006. Print.

**Primary Source