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1/3/2011 Inner / Terrestrial Planets Chapter 29 Section 2 Mercury Mercury Distance from Sun 0.4 AU Diameter 40% Earth diameter Mass/Density 5% Earth / 5.4 g/cc Orbital Period 88 Earth days Rotation Period 59 Earth days Atmosphere (major None gasses) Temperatures Day 430oC Night -170oC Satellites None Venus Venus Distance from Sun Diameter Mass/Density Orbital Period Rotation Period Atmosphere (major gasses) Temperature Satellites .7 AU 90% Earth diameter 80% Earth / 5.2 g/cc 224.7 Earth days -243 Earth days CO2 96% Pressure 100x Earth Rain H2SO4 450oC None 1 1/3/2011 Apollo 17 Earth Distance from Sun Diameter Mass/Density Orbital Period Rotation Period Atmosphere (major gasses) Temperature Satellites Mars Mars Distance from Sun Diameter Mass/Density Orbital Period Rotation Period Atmosphere (major gasses) Temperature Satellites Topography 1 AU (1.5X108 km) 12,756 km 1 / 5.5 g/cc 365.24 days 23 hrs 56 min N2 O2 Ar Average 14oC 1 The Moon 1.52 AU 50% Earth diameter 10% Earth/ 3.9g/cc 687 Earth days 24hrs 37 min CO2 95% N2 3% Ar 2% Summer 20oC Winter -130oC 2 Phobos, Deimos Impact Craters 2 1/3/2011 Volcanoes Rocky Surface Cyclones Lava Flows Atmospheres Sand Dunes 3 1/3/2011 Landslides Sedimentary Rock Polar Ice Caps Water Erosion South Pole Moons Phobos Mars’ largest moon 4
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