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SOLAR SYSTEM - INNER PLANETS
Lesson 2 - Page 4

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VENUS (continued)

Venus is scorched with a surface temperature of about 482° C (900° F). This high temperature is primarily due to a runaway greenhouse effect caused by the heavy atmosphere of carbon dioxide. Sunlight passes through the atmosphere to heat the surface of the planet. Heat is radiated out, but is trapped by the dense atmosphere and not allowed to escape into space. This makes Venus hotter than Mercury.


Sif Mons Volcano generated from Magellan mission is 2 km high.

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