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Halley wasn't the first to figure out the famous comet. An 11th-century monk did it first, new research suggests.
An 11th-century monk saw the famous "Halley's comet" first as a child and later as an adult, new research finds.
More information about a mysterious, energetic burst, formally known as a gamma-ray burst (GRB), spotted in space 13 billion light-years away from Earth, has been unveiled. The first sighting of this ...
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