Are gaps in the Andromeda galaxy filled with dark matter? Th

NASA's forthcoming Nancy Grace Roman Space Telescope will zoom in on streams of stars in Andromeda, the Milky Way's neighbor galaxy to hunt for dark matter, the universe's most mysterious substance.

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, Christian Aganze , Tjitske Starkenburg , Nancy Grace Roman Space Telescope Research , Stanford University , Northwestern University , Nancy Grace Roman Space Telescope , Milky Way , Hubble Space , Astronomy Nancy Grace Roman , Grace Roman Space Telescope Research , Support Participation Opportunities ,