It's Official: Third Galaxy Found With No Dark Matter May Solve an Epic Mystery
Astronomers have identified a third galaxy, NGC 1052-DF9, that appears to lack dark matter. This discovery supports theories that these galaxies formed through a violent event that separated ordinary matter from dark matter.
Why it matters
The existence of galaxies without dark matter challenges current models of galaxy formation and provides new insights into the nature of the universe's missing mass.
Add ScienceAlert on Google NGC 1052-DF2, the first of the three galaxies, opened a can of worms no one expected. (NASA, ESA, and P. van Dokkum/Yale University) Most of the mass in galaxies consists of stuff we cannot see.
Scientific reporting based on peer-reviewed research findings.
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