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Jupiter's Great Red Spot Jiggles
well known for its Great Red Spot, a feature that was discovered by Galileo over 400 years ago! Astronomers have been tracking the size and shape of it for over a century but the most accurate measurements have come from the Hubble Space Telescope. Every time Earth and Jupiter are at their closest, Hubble takes a series of images and it’s these images that have detected that the spot jiggles from day to day.
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