Space
Deep Dive: These Scientists Say They’ve Identified the Oldest Known Star Chart in the World
Thousands of years ago, Chinese astronomers studied the sky using an ancient record of constellations and their coordinates. Known as the “Star Manual of Master Shi,” the document is the oldest surviving star catalog in China. But now, scientists say the map dates to the fourth century B.C.E.—some 250 years earlier than previously thought.
Read the full story at Smithsonian Magazine →This short summary only restates what the original publisher reported. Always check the source.