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Ghostly galaxy without dark matter baffles astronomers

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FCC 224 is a dwarf galaxy that appears to be devoid of dark matter.

Dark matter provides the gravitational scaffolding for galaxies to assemble and grow.

No known scenario can fully explain FCC 224 's properties, the researchers say.

FCC 224 likely has a twin galaxy, which appears to have the same size, shape and orientation as FCC 224 .