Calendar in the Sky interprets NASA science content for informal educators and public audiences via blog articles, social media engagement, multimedia resources, and webinars. Calendar in the Sky connects NASA science to the knowledge of Indigenous Mesoamericans who weave astronomy, religion, politics, agriculture, architecture,engineering, and art together to form the rich tapestry of their culture.

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The Astronomy of Christmas

Posted by Bryan Mendez 12/20/2019
Christmas is also totally an astronomical celebration. Christmas began as a celebration of the winter solstice in the northern hemisphere. learn more...
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