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TOPIC: Sonoran Desert

Blobrana

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Posts: 131433

Date: Oct 4 13:08 2009

Sonoran Desert	Permalink

Whether you're already a seasoned stargazer or don't know a nebula from a neutrino, one of the best places to get up close to major observatories is southern Arizona, where waves of mountain ranges lift huge telescopes closer to the sky, and the arid climate offers many clear nights. People have been studying the skies from this part of the Sonoran Desert for millennia. Many petroglyphs, the pictures chipped into rock by the Hohokam people who lived here 2,000 years ago, are thought to be astronomical observations. Scholars think some of the petroglyphs record supernovas seen all over the world in the 11th century. Read more __________________

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