Even though their atmospheres are primarily hydrogen

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Unformatted text preview: Run ‣ Due Cloud belts and zones circle Jupiter like stripes on a ball 7 Jupiter's atmosphere is very dynamic and colorful and Saturn's atmosphere is a muted version of Jupiter's. Even though their atmospheres are primarily hydrogen and helium, the clouds of ammonia ice crystals in their upper atmospheres give the planets their appearance. The planets’ rapid rotations deflect the clouds into bands parallel to their equators. The location and width of bands, speed and location of jets on Jupiter are remarkably stable, having changed only rarely between 1980 and 2000. Jovian “spots” are storms ‣ Jovian storms called ovals ‣ Most are high-pressure systems (anti-cyclones) ‣ Can’t move north-south ‣ Lifetimes from several days to centuries on size ‣ 1000-6000 km diameter storms: 1-3 years ‣ Wikimedia Commons ‣ Depending Jupiter’s Great Red Spot ‣ 25,000 km across ‣ First observed over 300 years ago! Jupiter’s Great Red Spot (and Earth for comparison) 8 Jovian storms...
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This note was uploaded on 10/23/2013 for the course ASTR 100 taught by Professor Dunne during the Fall '12 term at University of Illinois, Urbana Champaign.

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