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Article: Explaining NASA Dark Matter Enigma: Abell 520 versus the Bullet Cluster via 'Comprehending and Decoding the Cosmos'.
- Article from:
- AScribe Science News Service
- Article date:
- August 23, 2007
CopyrightCOPYRIGHT 2007 AScribe. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Byline: The Drexler Foundation
LOS ALTOS HILLS, Calif., Aug. 23 (AScribe Newswire) -- NASA issued a news release on August 16, 2007 entitled, "Dark Matter Mystery Deepens in Cosmic Train Wreck." It describes the unusual features of the merger-formed Abell 520 galaxy cluster comprising a small group of bright galaxies devoid of dark matter, a massive region of dark matter, and a region of X-ray emitting gas. Abell 502 represents the aftermath of a collision-merger between two equal-size galaxy clusters.
The collision-merger of Abell 520 apparently caused dark matter to separate from the two merging galaxy clusters and to combine to form a massive region ...