The solar observatory of Xochicalco (Morelos, Mexico)

Ezekiel Stear, Ph.D. | | Insta: @forgottenlivesla

THE ABOVE IMAGE… is a photo from inside of the Solar Observatory at the archeological site of Xochicalco in Morelos, Mexico. During the Spring and Summer, the sun passes over the opening in the roof of the cave. The Nahuas who built this city and observatory aligned the opening in the cave so that the sun projects directly onto the cave floor, with a camera obscura effect. In the cave, one can see sunspots and eruptions on the surface of the sun.

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