ALMA radio astronomy antennas. ALMA (Atacama Large Millimeter/sub-millimeter Array) is an array of 66 radio antennas located at an elevation of 5000 m
ALMA radio astronomy antennas. ALMA (Atacama Large Millimeter/sub-millimeter Array) is an array of 66 radio antennas located at an elevation of 5000 metres on the arid Chajnantor plateau in the Chilean Andes. Data from the separate antennas is combined by interferometry, making it one of the most powerful telescopes in the world. Observations began in 2011, and the array is scheduled to be fully operational by the end of 2012. In the night sky at far left is Jupiter. At far right are the Large and Small Magellanic Clouds. Photographed in November 2011.
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Photo credit: © BABAK TAFRESHI/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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