Figure 2 Possible interior of Enceladus, based on gravity measurements by NASA’s Cassini spacecraft and Deep Space network
In October 2019 the Carnegie Institute for Science in the USA announced the discovery of 20 small moons orbiting Saturn, each about 3 miles across. They were discovered using the Subaru telescope at the Mauna Kea mountain-top site in Hawaii Astronomer Scott Sheppard and colleagues analysed images taken over several years and found faint dots of light orbiting Saturn. To see a time-lapse image, go to:
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