Sunset on Mars from Pathfinder and...A Star-Like Object! - Sol 24 (True Colors; credits: NASA/JPL)

Caption NASA:"The brownish gray sky as it would be seen by an observer on Mars in this four-frame, True Color mosaic taken on sol 24 (at approximately 16:10 M.L.T.). The Twin Peaks can be seen on the horizon. The sky near the sun is a pale blue color. Azimuth extent is 60° and elevation extent is approximately 12°. A description of the techniques used to generate this color image from IMP data can be found in Maki et al., 1999.