Moon from Galileo -- Color Visualizations
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Moon from Galileo -- Color Visualizations

September 26, 2003
These color visualizations of the Moon were obtained by the Galileo spacecraft as it left the Earth after completing its first Earth Gravity Assist. The image on the right was acquired at 6:47 p.m. PST Dec. 8, l990, from a distance of almost 220,000 miles, while that on the left was obtained at 9:35 a.m. PST Dec. 9, at a range of more than 350,000 miles. On the right, the near side of the Moon and about 30 degrees of the far side (left edge) are visible. In the full disk on the left, a little less than half the near side and more than half the far side (to the right) are visible. The color composites used images taken through the violet and two near infrared filters. The visualizations depict spectral properties of the lunar surface known from analysis of returned samples to be related to composition or weathering of surface materials. The greenish-blue region at the upper right in the full disk and the upper part of the right hand picture is Oceanus Procellarum.

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