出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2011/03/29 08:53 UTC 版)
The constellation Circinus is a small constellation in the southern sky, first defined in the 18th century. Its name is Latin for compass, referring to the drafting tool used for drawing circles; it should not be confused with Pyxis, a constellation that represents a mariner's compass.