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The observations show that dark matter in the Universe is distributed as a network of gigantic dense (white) and empty (dark) regions, where the largest white regions are about the size of several Earth moons on the sky. | Van Waerbeke, Heymans, and CFHTLens collaboration
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Vast Web of Dark Matter Mapped

A vast web of dark matter has been mapped. Find out how astronomers were able to map a vast web of dark matter without actually being able to see it.

January 9, 2012
3:00 AM EST

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