Long before telescopes, ancient astronomers like Hipparchus mapped the stars using only their eyes. For centuries, his star catalog was believed to be lost, but a new study has uncovered it once again ...
ScienceAlert on MSN
Scientists reveal the oldest map of the night sky ever made
The manuscript pages have been very carefully handled before scanning. (Jacqueline Ramseyer Orrell/SLAC National Accelerator ...
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