* Astronomy

Mysterious Symbols in China Desert Are Spy Satellite Targets

Newfound Google Maps images have revealed an array of mysterious structures and patterns etched into the surface of China's Gobi Desert. The media - from mainstream to fringe - has wildly speculated that they might be Chinese weapons-testing sites, satellite calibration targets, street maps of Washington, D.C., and New York City, or even messages to (or from) aliens.
It turns out that they are almost definitely used to calibrate China's spy satellites.
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