Astronomy:Aurorae Sinus
From HandWiki
Aurorae Sinus is a dark feature in the southern hemisphere of the planet Mars. Together with albedo features contributed by Aonius Sinus and Solis Lacus, it is part of a feature known as the "eye of Mars". A albedo feature is an area which shows a contrast in brightness or darkness (albedo) with adjacent areas.[1]
References
 |  |
