Best of the Year 2010- 3 of 7: Sculptor Wall of Galaxies- Largest Known Structure in the Universe
December 31, 2010
Best of the Year 3 of 7
Astronomers using NASA’s Chandra X-ray Observatory and ESA’s XMM-Newton detected a vast reservoir of gas lying along a wall-shaped structure of galaxies about 400 million light years from Earth.
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