En/na Andre-John Mas ha escrit: > > > > NASA is probably the best sort of this sort of information. The have a > grayscale elevation map here: > > Moon: http://onmoon.jpl.nasa.gov/ > > Mars: http://onmars.jpl.nasa.gov/ > Thanks, André. It could be the beginning.... It could be complemented with direct observation (photos from telescopes) and some other free data (radio spectra from radiotelescopes, ...)
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