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ScienceDaily: Strange Science News |
| Astronomers explain origin of elusive ultradiffuse galaxies Posted: 06 Sep 2021 08:13 AM PDT As their name suggests, ultradiffuse galaxies, or 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. An international team of astronomers reports it has used sophisticated simulations to detect a few 'quenched' UDGs in low-density environments in the universe. A quenched galaxy is one that does not form stars. |
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