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054 - Copernicus
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Copernicus is a rayed crater, 97 Km in diameter, that formed about 800 MY ago. In this image of the Crater Copernicus, color differences are shown for the eastern half of the crater.
A false-color mosaic is created by making ratio images and assigning each to one of the 3 primary colors: the red channel is controlled by the 750/415-nnmts ratio; the green channel is controlled by the 750/950-nnmts ratio and the blue channel is controlled by the 415/750-nnmts ratio.
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