AST-183intermediate

Venus: Physical Mechanisms

Venus is nearly Earth's twin in size and bulk density but radically different at the surface. Venus is a key comparison case for climate evolution, greenhouse physics, planetary volcanism, atmospheric escape, and the question of why two similarly sized rocky planets followed very different environmental paths.

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Venus: Physical Mechanisms

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AST-182Venus: Structures & Vocabulary→

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AST-184Venus: Observation, Measurement & Evidence→

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Venus is nearly Earth's twin in size and bulk density but radically different at the surface.

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A powerful greenhouse effect traps outgoing infrared radiation and keeps the lower atmosphere extremely hot.

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Radar mapping from spacecraft such as Magellan penetrated the cloud cover and revealed lava plains, volcanoes, coronae, ridges, and impact craters.

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