New: nabta-playa

cornerston (45)in nabta-playa • 7 years ago
Africa Astronomy: The Stone Calendar of Nabta Playa, Nubia
By even the more conservative estimate, these are by far the most certain ancient megalithic astronomical alignments known in the world. — Thomas G. Brophy, archaeoastronomer and former NASA…
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Africa Astronomy: The Stone Calendar of Nabta Playa, Nubia