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If seeking dark matter, beware spherical cows.(The Dallas Morning News)
Byline: Tom Siegfried
MARINA DEL REY, Calif. _ Perhaps because cows aren't perfectly round, astronomers haven't yet found the universe's most abundant form of matter.
Nobody knows very much about this matter, except that it can't be seen, and is therefore labeled "dark." Its presence is inferred from its gravitational pull on the stars, but its identity has remained a mystery for decades.
By the latest measurements, the mysterious dark matter makes up about a fourth of the universe's total matter-plus-energy content. (Some weird form of energy makes up more than two-thirds, and it is also dark.)
Ordinary matter is a trivial ingredient by comparison, accounting for only about 5 percent of the universe. So the unknown dark matter is five times more abundant.
Scientists suspect that ...
- Cold Dark Matter (WIMP) Doubters Are Publishing More Scientific Papers.
- News wire article from: Ascribe Higher Education News Service December 19, 2008 700+ words
...UC Santa Cruz's theoretical dark matter WIMPs. This renaissance is documented...UCSC) central doctrine for WIMP-based Cold Dark Matter (CDM) has been that small...interacting massive particles (WIMPs), which leads to a non-simple...
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- Magazine article from: Science News Cowen, Ron May 10, 2008 700+ words
...over a bunch of WIMPs. At a meeting...particle called a WIMP, for weakly interacting...the existence of WIMPs could settle a...identity of the dark matter in the cosmos...properties of WIMPs. If the universe...galaxy rotate, the dark matter particles, immune...the ...
- University of Chicago's CHAMPs Dark Matter Boosts Drexler's Dark Matter Over...
- News wire article from: AScribe Science News Service September 18, 2008 700+ words
...interacting massive particles (WIMPs). Drexler's CHARM dark matter theory launched Drexler...Sept. 9 entitled, "Is dark matter a wimp or a champ" also could...trilogy. (Note that a dark matter WIMP is a cold uncharged weakly...
- Possible WIMP sighting may prove to be MACHOs' match.
- Newspaper article from: Knight Ridder/Tribune News Service Siegfried, Tom December 21, 1998 700+ words
...has sighted a WIMP weighing in at...needed before WIMPs are declared the dark matter winner. But the hint of a WIMP remains exciting...If the DAMA WIMP turns out to be...before. And if WIMPs are the dark matter, humankind may...
- University flexes scientific muscle to find WIMPs.(NEWS)
- Newspaper article from: Star Tribune (Minneapolis, MN) Schmickle, Sharon November 14, 2003 700+ words
...matter called WIMPs, or weakly...particles. Dark matter not only...expose the WIMP theory to...finds that WIMPs are real...to explain dark matter, and perhaps...existence of dark matter came from...possibility that WIMPs clouding...detecting WIMP ...
- Votes cast for and against the WIMP factor.(weakly interacting massive...
- Magazine article from: Science News Cowen, R. February 26, 2000 700+ words
...through the cloud of WIMPs faster and experience...winter, when the WIMP detection rate...at a meeting on dark matter in Marina del...for detecting WIMPS, traces the signals...presented data at the dark-matter meeting. Two...unlikely for a WIMP to interact with...he ...
- The mystery of missing matter in the universe: the search for WIMPs (weakly...
- Magazine article from: The Ohio Journal of Science Trostel, Katharine G. Fogarty, Caitlin A. March 1, 2003 700+ words
...a specific type of cold dark matter called WIMPs, or weakly interacting...evidence of the existence of WIMPs. DAMA, or Dark Matter Search, claims to have detected WIMPs, while CDMS, (The Cryogenic Dark Matter Search), does not support...
- Wimps playing a dark role in space.(News)
- Newspaper article from: Coventry Evening Telegraph (England) March 23, 2001 700+ words
...has been what makes up the dark matter. According to the latest...comprises a zoo of exotic dark matter, particles that are invisible...are collectively known as Wimps (weakly interacting massive...of the missing baryonic dark matter.
