Video

Behold: The World's Largest Radio Telescope

The Atacama Large Millimeter Array, located in the Atacama Desert, is the product of a 20-year global effort by Europe, North America, and East Asia. With its 66 antennas sitting 16,400 feet above sea level, ALMA gives us an incredible view of the universe. (02:43)

3play_processed Science Smithsonian Channel Space