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Jupiter's Great Red Spot Is Shrinking

NASA, ESA, and A. Simon (GSFC)

Jupiter's Great Red Spot Is Shrinking

Since 2012, Jupiter’s signature feature—a red spot—has shrunk by a tremendous 804 kilometers a year, io9 reports. In the late 1800s, the splotch was estimated to be 41,000 kilometers across, large enough to fit three Earths. Now, it can fit only one. Astronomers think the spot, which is a massive storm, is getting smaller because of changes going on in its composition caused by small eddies—swirling movements of air—that are feeding the storm.

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