We don’t get to hear a lot about Ganymede these days, what with everyone paying so much attention to Titan and Enceladus and Europa and several other moons out there. Which is too bad because 1. Ganymede is plenty fascinating in its own right; and 2. it’s the LARGEST MOON IN THE SOLAR SYSTEM (and we shouldn’t forget it!) That’s why I was so happy to see this news come out today: geologists have created the first map of Ganymede that focuses exclusively on its complex geology, as observed close-up by the Voyager and Galileo spacecraft during their respective flybys. The resulting global map — which reminds me of some of the ornate illustrations that Giovanni Schiaparelli made of Mars in the 1880s — is a colorful layout of the many different terrains found across icy Ganymede, providing evidence of its complex history and a guide to future exploration missions.
Read more in my Discovery News article here.
Image credit: USGS Astrogeology Science Ctr/Wheaton/ASU/NASA/JPL-Caltech
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