Astronomers with the European Southern Observatory (ESO) have discovered a black hole that is the nearest such object yet found, just 1,000 light years away—close enough to be seen with the unaided ...
Back in 2020, astronomers discovered an unusual star system just 1,000 light years from Earth. However, two different teams disagreed on the nature of the system, which was dubbed HR 6819. One team ...
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