The Atacama Large Millimeter/submillimeter Array located on the Chajnantor Plateau in Chile allowed the acquisition of temperature images of (16) Psyche, an M-type asteroid of about 220 km in size, at a resolution of 30 km/pixel — the highest ever achieved from Earth. In new research, scientists from MIT, Caltech and Bloomsburg University analyzed these images to map the metal content of the first millimeters of the asteroid’s surface as function...
