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Dark Matter
Websites presented in alphabetical order NASA's Imagine the Universe: Dark Matter Brief discussions of dark matter, "[the] name given to the amount of mass whose existence is deduced from the analysis of galaxy rotation curves but which until now, has escaped all detections." Includes definitions of astronomy terms, a FAQ, additional activities, and links to related websites. From a NASA educational website intended for students age 14 and up. http://imagine.gsfc.nasa.gov/docs/introduction/dark_matter.html Topics: Astronomy Last updated Feb 14, 2006 Q&A: Dark Matter Questions and answers about this "term used to describe the mass in galaxies and clusters whose existence we infer from rotation curves and other techniques, but which has not been confirmed by observations on any electromagnetic wavelength." Topics include black holes, parallel universes, gravity, and more. Includes the related essay, "Dark Matter Mystery." From the Chandra X-Ray Observatory, operated for NASA by the Smithsonian Astrophysical Observatory. http://chandra.harvard.edu/resources/faq/dmatter/dmatter-main.html Topics: Astronomy Last updated Feb 14, 2006 |
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