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Episode 99: ALMA Radio Telescope

Play May 17•4:24

A new radio telescope array is under construction in one of Earth's most inaccessible places. The telescope, called the Atacama Large Millimeter/submillimeter Array (ALMA), is located in Chile's mountainous Atacama Desert at an altitude of 16,500 feet. The wavelengths the telescope will be observing are absorbed by moisture in the atmosphere, so the dry, high-altitude desert air is essential fo...

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