View Full Version : Distant Invisible Galaxy Could be Made Up Entirely of Dark Matter

2012-Jan-18, 10:30 PM
Astronomers canít see it but they know itís out there from the distortions caused by its gravity. That statement describes dark matter, the elusive substance which scientists have estimated makes up about 25% of our universe and doesnít emit or absorb light. But it also describes a distant, tiny galaxy located about 10 billion light [...]

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