The Mysteries of Ultradiffuse Galaxies

The Mysteries of Ultradiffuse Galaxies
NASA, ESA, Hubble SM4 ERO Team via AP

An international team of astronomers have shed light on a mysterious galactic phenomenon: elusive ultradiffuse galaxies.

Ultradiffuse galaxies (UDGs) are dwarf galaxies whose stars are spread out over a vast region, resulting in extremely low surface brightness, making them very difficult to detect.

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