Orion’s Hidden Fiery Ribbon
May 15, 2013
Picture Release No. 1321 of European Southern Observatory (ESO). A dramatic new image of cosmic clouds in the constellation of Orion reveals what seems to be a fiery ribbon in the sky. The orange glow represents faint light coming from grains of cold interstellar dust, at wavelengths too long for human eyes to see. It was observed by the MPIfR-built & ESO-operated Atacama Pathfinder Experiment (APEX) in Chile.