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Hubble Studies Dark Matter Filament in 3-D
Hubble’s view of massive galaxy cluster MACS J0717.5+3745. The large field of view is a combination of 18 separate Hubble images. Credit:
NASA, ESA, Harald Ebeling (University of Hawaii at Manoa) & Jean-Paul Kneib (LAM)
Earlier this year, astronomers using the Hubble Space Telescope were able to identify a slim filament of dark matter that appeared to be binding a pair of distant galaxies together. Now, another filament has been found, and scientists a have been able to produce a 3-D view of the filament, the first time ever that the difficult-to-detect dark matter has been able to be measured in such detail. Their results suggest the filament has a high mass and, the researchers say, that if these measurements are representative of the rest of the Universe, then these structures may contain more than half of all the mass in the Universe.
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Read the rest of Hubble Studies Dark Matter Filament in 3-D (688 words)
© nancy for Universe Today, 2012. | Permalink | 2 comments |
Post tags: Dark Matter, Hubble Telescope
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2012-10-16 18:22:57
Source: http://www.universetoday.com/98022/hubble-studies-dark-matter-filament-in-3-d/
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