This image composite compares infrared and visible views of the famous Orion nebula and its surrounding cloud, an industrious star-making region located near the hunter constellation's sword. The picture at left was taken with the Infrared Array Camera on board NASA's Spitzer Space Telescope, and the picture at right is from the National Optical Astronomy Observatory, headquartered in Tucson, Arizona. Credit: NASA/JPL-Caltech/S.T. Megeaty (Univ. of Toledo,OH). Click to enlarge.
