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Chile is known worldwide for the visibility of its nighttime skies, due to the exceptionally dry climate.
SPACE. SPACE offers one of the best astronomical tours in San Pedro. The complete darkness allows you to observe the night sky with the naked eye and through a dozen powerful telescopes. The tour finishes with an astronomy chat over hot chocolate. Popular with backpackers, tours are nightly (weather depending) and depart from the city center with native English-speaking specialist guides. 166 Caracoles, San Pedro de Atacama, 1410000. 55/285–1935. www.spaceobs.com. From 18,000 pesos (includes transport).