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News Astronomy

Dark matter is MIA in this strange galaxy

Given its size, the galaxy should have 300 times more dark matter than normal matter

galaxy NGC1052–DF2

DARK DEFICIENCY  Dark matter is unexpectedly absent from the galaxy NGC1052–DF2 (central ghostly blob), an ultradiffuse galaxy about 65 million light-years from Earth in the constellation Cetus.

P. van Dokkum, R. Abraham, STScI

By Emily Conover

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