10 Interesting Facts about Callisto
Callisto orbits Jupiter in 16.7 days. On average, Callisto covers a distance of 11,829 191 kilometers during each orbit, at a velocity of 29,530 km/hour. By way of comparison, the Moon orbits the Earth at a relatively sedate 3,683.4 km/h. Callisto should be a planet, but isn't
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