... Shells of ancient supernovas, cocoons surrounding newborn stars, and specks from distant quasars highlight this tremendous vista toward the constellation of Cygnus. ... The Great Nebula in Orion . ... The Nebula's glowing gas surrounds hot young stars at the edge of an immense interstellar molecular cloud only 1500 light-years away. ... Reflection Nebula M78 . ... The dust not only absorbs light, but also reflects the light of several bright blue stars that formed recently in the nebula. ...