Color enhanced map of Mercury
Photojournal: PIA17386
Source: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington
Published: July 18, 2013

This enhanced color map was produced by using images from the color base map imaging campaign during MESSENGER's primary mission. These colors are not what Mercury would look like to the human eye, but rather the colors enhance the chemical, mineralogical, and physical differences between the rocks that make up Mercury's surface.

This specific color combination places the second principal component in the red channel, the first principal component in the green channel, and the ratio of the 430 nm/1000 nm filters in the blue channel.

ENLARGE

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