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Chapter 11

jupiter chapter 11

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Jupiter chap 11 y Part of jovian planets Jupiter Saturn Uranus and Neptune y Is the this brightest object in the sky after the moon and Venus when it is in opposition y Jupiter has many moons the four largest are Galilean moons 1610 y Jupiter orbits as a distance of 52 AU from the sun y 318 earth masses make up the mass of Jupiter y More than 1400 earths needed to equal the volume of Jupiter 3 y Density of Jupiter is 1300kgm which is much smaller than the earths y Jupiter is composed mainly of hydrogen and helium y Has a strong gravitational force y Different parts of Jupiters atmosphere move independently of eachother equatorial zones move faster compared to higher latitudes y Exhibits differential rotation not possible for solid objects y Jupiter has the fastest rotation rate of any planet in the solar system bulge around its midsection y Internal structure possibly made of rocky composition Atmosphere of Jupiter y has constantly changing bands arranged in parallel to the equator and an oval atmospheric bulb called theGreat Red Spot y Red spot is associated with weather y Red spot is a hurricane that has been around for over 100 years it is larger than earth 2x y Most abundant gas is molecular hydrogen Hfollowed by helium 2y There still exists methane ammonia and water vapour y The abundance of hydrogen and helium is the direct consequence ofJupiters strong gravity y Bright zones and dark belts on surface of Jupiter is due to convective motion in planets atmosphere y Zones have high pressure and belts have low pressure cause of weather y Jupiters rapid rotation channels the wind to blow in a eastwest flow patternzonal flow y Near the poles the the speed of wind flow disappears y Jupiter has NO seasonsbecause of low eccentricity and axis of rotation is perpendicular to orbital plane y Jupiters coloration is due to chemical processes in the atmosphere and due to sulphur being present red brown and yellow maybe phosphorus y Temperature increases with altitude because of absorption of UV light
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