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Juno and JEDI Deliver New Discoveries About Jupiter

12 Dec 2017, 19:14 UTC
Juno and JEDI Deliver New Discoveries About Jupiter
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JunoCam image of Jupiter’s Great Red Spot from July 11, 2017, processed by Gerald Eichstadt and edited by Jason Major.
Saturn has its rings, Mars has its rusty landscape, Earth has its whales, water, and wi-fi…and Jupiter has its Great Red Spot. The giant gas planet’s enormous orange storm—once over twice the diameter of Earth but today “only” about 1.3 times as wide—is one of the most distinctive planetary features in our Solar System. It’s so well-known that even young children are sure to include its orangey oval when drawing Jupiter!
Jupiter imaged by Hubble on 4-3-17. NASA, ESA, and A. Simon (GSFC).
But as famous as it is, there’s a lot we still don’t know about Jupiter’s giant storm. NASA’s Juno spacecraft, launched in August 2011, has now been orbiting Jupiter since July 4, 2016 and has been using its suite of science instruments to investigate the planet’s complex atmosphere like never before possible. Thanks to Juno, for the first time scientists are able to “see” deep below Jupiter’s dense clouds (in microwave wavelengths, that is) and find out what’s happening inside the GRS. What they’ve discovered is a storm hundreds of miles deep with a hot base that ...

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