Colorful Cubes of Light
On the left, a portion of the first image cube measured by NASA's Moon Mineralogy Mapper on board the Indian Space Research Organization's Chandrayaan-1 spacecraft on Nov. 19, 2008 shows the crater Harpalus north of Mare Imbrium. The rainbow-colored panels to the top and right of each image represent the different reflected light, or spectral, signatures that underlie every point in the image. These signatures allow determination of the surface composition. The image cube on the right was measured on Feb. 5, 2009 and includes the Apollo 15 landing site adjacent to the feature Hadley Rille.
Image credit: ISRO/NASA/JPL-Caltech/Brown Univ.
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