News
Smithsonian Magazine on MSN6h
These Scientists Say They’ve Identified the Oldest Known Star Chart in the WorldA new preprint suggests that an ancient Chinese star catalog dates to 355 B.C.E. But other researchers aren't convinced, ...
It looks like you're using an old browser. To access all of the content on Yr, we recommend that you update your browser. It looks like JavaScript is disabled in your browser. To access all the ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback