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Jupiter has four large moons – Io, Europa, Ganymede and Callisto – with diameters of more than 3000 kilometres. However, as of April 2023, we know it is also home to 91 additional small satellites.
"We've known for a while that objects the size of Jupiter ... with orbital periods ranging from 0.67 days (TOI-2109 b) to 3.03 days (TrES-1 b) with the goal of ascertaining their orbital period ...
These regular gravitational tugs can be amplified by orbital resonances—a configuration where each moon's period around a planet is an exact integer of the others' periods. Jupiter's moons Io ...
(CNN) --The Galileo spacecraft resumed normal operations on Friday, the day after it unexpectedly shut down while darting dangerously close to Jupiter and its most volatile moon. The aging robot ...