TOOLS THROUGH TIME

Great kivas like Casa Rinconada served not only as meeting places for ceremonies, but also as astronomical symbols. Precisely aligned with the cardinal directions, the rounded shape mimics the sky overhead, uniting the world above with the world below.

Photo: NOAO/AURA/NSF   Not far away, at the Kitt Peak National Observatory near Tucson, Arizona, this domed telescope also serves to unite the world above with the world below.

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