One of the observatories, the Submillimeter Array (SMA) in Maunakea, Hawaii. Photo Credit Nimesh Patel
APEX observatory in Cerro Chajnantor, Chile. Photo Credit: Sven Dornbusch- Today we are opening the first page of a book in which it is possible to make increasingly accurate observations of these objects, whose existence Albert Einstein predicted a century ago.
South Pole Telescope (SPT) in Antarctica. Photo Credit: Joshua Montgomery