Last updated on April 23, 2014 at 11:05 EDT
Nighttime on Chajnantor Plateau
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Nighttime on Chajnantor Plateau

November 16, 2012
The antennas of the Atacama Large Millimeter/submillimeter Array (ALMA) scrutinize the mysteries of the universe 24 hours a day. ALMA is an international astronomy facility that is a partnership of Europe, North America and East Asia in cooperation with the Republic of Chile. It is funded in part by the National Science Foundation. To learn more, visit the ALMA website. (Date of Image: unknown) Credit: ALMA