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Space
Space
Science
Sharmila Kuthunur

Ghostly galaxy without dark matter baffles astronomers

A pseudo-color image of the ultra-diffuse galaxy FCC 224, as captured by the Hubble Space Telescope.

Astronomers have stumbled upon yet another ghostly galaxy that appears to be devoid of dark matter.

Dark matter, the invisible substance astronomers believe dominates the universe, provides the gravitational scaffolding for galaxies to assemble and grow. Discovering a galaxy without dark matter is indeed perplexing, like finding a shadow without a source.

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