5 years ago
A Third of All Galaxy Clusters Have Gone Unnoticed Until Now
The universe is far from homogenous. Rather, stars, and the galaxies that contain them, clump together in some places, brought together by their shared gravitational attraction. Astronomers have historically found clusters of galaxies in the sky to be relatively easy to spot, as they’re extremely large and bright. But one new study suggests that a third of all galaxy clusters have been hiding undiscovered out in the cosmos.
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http://blogs.discovermagazine.com
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