The Horsehead Nebula is a cloud of ionized-hydrogen in the constellation Orion. These clouds are lit from within by young, hot stars. The interstellar dust absorbs the light from part of the ionized cloud creating this beautiful contrast. Image Credit: NA
thedemon-hauntedworld: “ Orion Nebula in Oxygen, Hydrogen, and Sulfur Image Credit & Copyright: César Blanco González The Orion Nebula spans about 40 light years and is located about 1500 light years away in the same spiral arm of our Galaxy as the.