... The Pipe Dark Nebula . ... The dark nebula predominant at the lower left of the above photograph is known as the Pipe Nebula. The dark clouds, suggestively shaped like smoke rising from a pipe, are caused by absorption of background starlight by dust. ... It is famous for its suggestive appearance as well as its collision with the planet Jupiter! ... The Galactic Center Radio Arc . ... Saturns Moon Tethys . ... Andromeda Island Universe . ... Gamma Ray Burst, Supernova Bump . ...