... The most active part of the Orion Nebular Cloud Complex is an area known as the Kleinmann-Low Nebula. There, a cluster of young and forming stars is embedded in a molecular cloud filled with dust. ... In this picture, the seemingly familiar teardrop-shaped object just right of center is actually an unusually situated disk of gas and dust. ... Dark Cloud . ... Ominously foreshadowing events to come, a dark cloud of obscuring dust stands out against a luminous star field in the Milky Way. ...