NASA's Mars Global Surveyor shows the Acidalia/Mare Erythraeum face of Mars in mid-February 2005.

8 February 2005
This picture is a composite of Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) daily global images acquired at Ls 160° during a previous Mars year. This month, Mars looks similar, as Ls 160° occurs in mid-February 2005. The picture shows the Acidalia/Mare Erythraeum face of Mars. Over the course of the month, additional faces of Mars as it appears at this time of year are being posted for MOC Picture of the Day. Ls, solar longitude, is a measure of the time of year on Mars. Mars travels 360° around the Sun in 1 Mars year. The year begins at Ls 0°--the start of northern spring and southern summer.

Season: Northern Summer/Southern Winter

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