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These Antennas Weigh 100 Tons Each

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These Antennas Weigh 100 Tons Each

Short | 02:13

Only two transport vehicles in the world can can carry ALMA's antennas. Because they weigh 100 tons each, these vehicles can only drive at a maximum of 7.5 mph.

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On a high plateau in a remote desert in northern Chile lies the largest observatory on Earth, ALMA, or Atacama Large Millimeter/Submillimeter Array. The name refers to a network of 66 massive radio telescopes, working in unison to observe the birth and death of stars and planets, and answer centuries-old questions about the origins of our universe. Witness the history of ALMA, the remarkable product of a 20-year global effort, and see how it is already changing our basic understanding of the cosmos, and astronomy itself.

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