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Article: A big find in the hunt for elusive dark matter.(USA)
- Article from:
- The Christian Science Monitor
- Article date:
- May 16, 2007
CopyrightCOPYRIGHT 2007 The Christian Science Publishing Society. 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: Peter N. Spotts Staff writer of The Christian Science Monitor
Building cosmic maps of matter no one can see may seem like a strange way to make a living. But for astronomer Myungkook James Jee, the work may have netted evidence that seals the case for the existence of dark matter - unseen, "missing mass" first invoked in 1933 to explain why spinning galaxies and galaxy clusters don't tear themselves apart as they twirl.
Dr. Jee and his colleagues announced Tuesday that they have discovered a wispy ring of dark matter around a huge cluster of galaxies 5 billion light-years from Earth. The researchers didn't spot the dark matter directly; it ...