Why Dark Horse
This region of dark nebulae is called Dark Horse because it resembles the side silhouette of a horse and appears dark as compared with the background glow of stars and star clouds. It is also known as "Great" because it is one of the largest (in apparent size) groups of dark nebulae in the sky.
Read more about this topic: Dark Horse (astronomy)
Famous quotes containing the words dark and/or horse:
“And a dark shift within the bone
Brings him the end he could not find.”
—Allen Tate (1899–1979)
“Half the failures of this world arise from pulling in one’s horse as he is leaping.”
—Julius Hare (1795–1855)