September 10, 2013 by Ms Biggs ALMA is the world’s largest astronomical telescope. You are looking at radio telescope antennas of the Alma (Atacama Large Millimetre/submillimetre Array) project on the Chajnantor plateau. Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Share on Reddit (Opens in new window) Reddit Like Loading... Related