You are watching: Uranus and neptune have methane clouds but jupiter and saturn do not. which factor explains why?
Sections:CompositionRotationMoons and also RingsWhy so different?AtmospheresInteriorsRelated linksRelated Lessons:Jupiter"s Relative SizeThe Great Red Spot PinwheelCan Photosynthesis Occur at Saturn?Patterns and also FingerprintsUsing Spectral Data To Explore Sarevolve and also Titan
Jupiter, Sarotate, Uranus and also Neptune collectively comprise the team known as the jovian planets. The basic frameworks of the jovian planets are oppowebsite those of the terrestrial planets. Rather than having thin environments roughly fairly huge rocky bodies, the jovian planets have actually reasonably tiny, dense cores surrounded by enormous layers of gas. Made almost entirely of hydrogen and also helium, these planets carry out not have solid surencounters.
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Unchoose the spherical forms of terrestrial planets, the jovian planets are all slightly oblong. The jovian planets turn much faster than any of the terrestrial worlds. Gravity by itself would certainly make a world spherical, but their quick rotation flat10s out their spherical shapes by flinging product near the equator external.Observations of clouds at different latitudes imply that the jovian planets turn at different speeds close to their equators than close to their poles.JOVIAN "DAYS"Jupiter : 10 hoursSaturn : 10 hoursUranus : 16-17 hoursNeptune : 16-17 hours
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After dimension, maybe the most noticeable distinction in between the jovian and terrestrial planets entails moons and also rings. The terrestrial planets are nearly isolated worlds, with just Earth (1 moon) and Mars (2 moons) orbited by any moons at all. In comparison, many kind of moons and also rings orbit each of the jovian planets.
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All 4 jovian planets have actually rings, although just Saturn"s rings are quickly visible from Earth. Rings are composed of plenty of little pieces of rock and ice, each orbiting its world prefer a tiny moon. The rings look flat bereason the pshort articles all orlittle bit in basically the very same plane. The rings are situated closer to the planets than any type of of their moderately sized or huge moons, however the inner edge of the rings is still well over the planet"s cloud tops.
Jupiter with its moons Europa (closest in) and Callisto aligned through the planet"s facility.(click to enlarge)