Geography 2090A/B Study Guide - Midterm Guide: Mariner 10, Lunar Orbiter 1, 25143 Itokawa

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9 Jul 2014
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A satellite (= to a moon) orbits a planet rather then a star. Satellites may be rocky (moons of earth and mars) satellites may be icy (moons of saturn) satellites may be a mixture of the two (rocky and icy) A moon of jupiter, io, has dozens of active volcanoes. Europa, also a moon of jupiter has a liquid ocean under its icy surface. Titan, a moon of saturn, has a thick hazy atmosphere and lakes of liquid methane. Enceeladus, moon of saturn, emits jets of water vapour from warm vents at its south pole. Tritan, a moon of neptune, has an atmosphere and gas jets erupting from its surface all four giant gas planets have rings made of billions of small particles, each particle is a tiny moon. Astroids also called minor planets small planets orbiting the sun some come close to earth, called neos (near earth objects)

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