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Sunday, September 7, 2008 |
Sunday, September 7, 2008 |
Photo: Perfectly Aligned Galaxies Found For the First TimeThe phenomenon occurs because a massive galaxy is distorting light from two galaxies arranged in a perfect line behind it, creating concentric halos. The unusual arrangement was spotted by the NASA/ESA Hubble Space Telescope. Image by NASA, ESA, R. Gavazzi and T. Treu (University of California, Santa Barbara), and the SLACS team
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
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