Night sky and telescopes
Four of the European Southern Observatory's Atacama Large Millimeter/submillimeter Array (ALMA) antennas gaze up at the night sky. Milky Way is visible at left. Credit:
Four of the European Southern Observatory's Atacama Large Millimeter/submillimeter Array (ALMA) antennas gaze up at the night sky. Milky Way is visible at left. Credit:
ESO Photo Ambassador Gerhard Hüdepohl has captured a rare sight: a green flash from the Moon, instead of the Sun. The photographs are very probably
The stars rotate around the southern celestial pole during a night at ESO’s La Silla Observatory in northern Chile. The fuzzy parts in the trails