Hubble Views Galaxy Lacking Dark Matter

The video discusses a unique galaxy observed by NASA's Hubble Space Telescope that lacks significant dark matter, challenging current astronomical theories. It explores the role of dark matter in galaxy formation and the possibility of alternative gravity theories. The galaxy is an ultra-diffuse type, with very low density and unusual characteristics. Researchers used various observatories to study this and other galaxies, aiming to understand dark matter's nature and its role in the universe.

What does the absence of dark matter in the observed galaxy suggest about the nature of dark matter?

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What implications does the discovery of a galaxy with an unusual amount of dark matter have for our understanding of the universe?

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