Astronomers using the W. M. Keck Observatory, the Hubble Space Telescope, and other telescopes on Mauna Kea have studied a giant filament of dark matter in 3D for the first time. Image released Oct. ... more 
Astronomers using the W. M. Keck Observatory, the Hubble Space Telescope, and other telescopes on Mauna Kea have studied a giant filament of dark matter in 3D for the first time. Image released Oct. 17. 2012. less 
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SPACE.com | Photo By Image by ESA; additional elements by K. Teramura, Univ. Hawaii Institute for Astronomy.
Tue, Nov 27, 2012 6:48 AM EST