JUPITER1 - JUPITER Motions orbit: orbital period = 11.9...

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Unformatted text preview: JUPITER Motions orbit: orbital period = 11.9 years rotation: rotation period = 10 hours o very fast !! o clouds at the equator are moving at 45,000 km/hr o compare to 1670 km/hr on Earth, 1190 km/hr = speed of sound in air equator rotates faster than poles (by about 5 minutes) o called "differential rotation" o only possible on gas or liquid planet fast rotation flattens out the sphere at the poles - bulges at equator not tilt of rotation axis => no seasons Interior observe STRONG magnetic field since it rotates quickly, expect liquid inside magnetic axis is tilted about 11 degrees from rotation axis with South magnetic pole on top higly differentiated (liquid metallic hydrogen requires 3 million atmospheres of pressure - has been observed in labs on Earth) Figure 9.2 also show a cross section of Jupiter. [Link to Figure 9.2] source of heat inside planet emits twice the energy received from the Sun...
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JUPITER1 - JUPITER Motions orbit: orbital period = 11.9...

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