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6 Cards in this Set
- Front
- Back
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The inner planets are also called what |
Terrestrial planets |
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What are the inner planets |
Mercury Venus Earth Mars |
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Mars (tell all about it) |
Smallest planet Rough terrain with many craters in steep cliffs No atmosphere One of the hottest planets Temperature ranges from -280°F at night up to 800°F during the day No moon Rotation period of 59 days Revolution period of 88 days |
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Venus (Tell all about it) |
Similar to earth in diameter and mass Atmosphere of thick layers of CO2 (96%) Surface is mainly gently rolling plains, also has volcanoes and high mountains Hottest planet Temps up to 900°F So hot because heat stays trapped in CO2 layers, greenhouse effect Has 300,000 times more CO2 than earth No moon Has clouds of sulfuric acid Extremely dense atmosphere 100 times that of earth Rotation period of 243 days Rotates on its axis backwards retrograde motion Revolution period of 225 days |
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Mars |
Named for the Roman god of war Smaller than earth half the diameter Red soil due to iron oxide Polar ice caps made of frozen CO2 Has four seasons more extreme than Earth's Atmosphere of CO2 (95%) and nitrogen (3%) with trees mounts oxygen and water vapors Largest canyon in the solar system (Valles Marineris) Surface has huge channels and dry riverbed, indicates liquid water once flowed there Two moons - Phobos and Deimos -captured asteroids highest mountain in the solar system 15 miles high Olympus mons Rotation period of 24.6 hours Revolution period of 687 days |
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The outer planets are also called what |
Jovian planets |
