Sunday, April 1, 2012

One Solar Day at Mercury's South Pole



This movie shows 89 WAC images of Mercury's south polar region acquired over one complete Mercury solar day (176 Earth days) in 2011. This dataset enabled the illumination conditions at Mercury's south polar region to be quantified.

Instrument: Wide Angle Camera (WAC) of the Mercury Dual Imaging System (MDIS)
Scale: The large crater near Mercury's south pole, Chao Meng-Fu, has a diameter of 180 km.
Map Information: The movie is shown in polar stereographic projection, extending northward to 73° S, and 0° longitude is at the top.

Video credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

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