Galaxy NGC 1052-DF9 lacks dark matter — the third such case found

Astronomers have identified NGC 1052-DF9 as a third galaxy whose movements can be explained without invoking dark matter, joining the previously known DF2 and DF4. All three objects are located in the same region of space. The finding challenges standard galaxy formation models and hints at previously unknown cosmological processes.

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🔬 Science Milky Way May Have Tilted for Billions of Years Due to Ancient Galaxy Collisions National Geographic PL · 3d ago 🔬 Science Dark matter may consist of two particle types that gradually separate Science Daily · 13d ago 🔬 Science JWST reveals massive galaxies stopped forming stars far earlier than expected Universe Today · 18d ago