Valhalla (crater)
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Valhalla_crater_on_Callisto.jpg
Valhalla_crater_on_Callisto.jpg
Valhalla crater, on Callisto
Valhalla is the largest impact crater on Jupiter's moon Callisto. It has a bright central region 600 km across, and concentric rings extending to a diameter of approximately 3,000 km around that.
