Astronomers have discovered a mysterious galaxy that emits no visible light. They have found the first dark galaxy in nature. It’s a loner lying 94 million light-years away.
Apart from a small fraction of stars, more than 90% of it is composed of dark matter. At first, the researchers thought it was a regular dwarf galaxy with very few stars. However, a detailed analysis of the galaxy revealed it’s an oddball that defies all expectations. Its properties challenge our understanding of extragalactic astronomy
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