Materials Black Holes - Falling Into (Hamilton) Provides animations to illustrate the effects of black holes. 3-01 News Chandra X-ray Observatory (Harvard-Smithsonian Center for Astrophysics) Provides the latest news on the X-ray observatory for space, black holes, and pioneering explorations using very high resolution methods. 9-00 Papers Black Holes (KidsAstronomy.com) Provides a diagram and description of a black hole, singularity, and event horizon. 11-00. Black Holes (Royal Observatory) Discusses black holes and gravity. High school level and above. 10-00 Black Holes May Help Form Galaxies (Washington Post - Suplee) Provides results from different teams of scientists that suggest that black holes may actually cause the formation of galaxies. Provides a theory about the relationship among quasars, galaxies, and black holes. Story written in January of 2000. 7-00 Black Holes Merge When Galaxies Collide (Scientific American) Provides the theory, based on observations, that when galaxies collide, black holes at their centers merge. 7-02 Interferometry (University of Colorado - Cash) Explains a method of "seeing" that uses X-rays and is up to a thousand times more powerful than other methods (that use visible light) for studying distant objects. A special focus of this science is to see "black holes." 9-00

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