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Hubble detects smallest known dark matter clumps

January 15, 2020 - General

When searching for dark matter, astronomers must go on a sort of “ghost hunt.” That’s because dark matter is an invisible substance that cannot be seen directly. Yet it makes up the bulk of the universe’s mass and forms the scaffolding upon which galaxies are built. Dark matter is the gravitational “glue” that holds galaxies as well as galaxy clusters together. Astronomers can detect its presence indirectly by measuring how its gravity…

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Source: archeo

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