PPT Slide

• The surface temperatures bear little resemblance to their effective temperatures

  Venus (427oC) > Earth (15oC) > Mars (-53oC)
  

• Due to greenhouse effect

• Venus

  • extensive atmosphere (100x more mass than Earth’s)
  • composed mainly of CO2, H2O, SO2

• Mars

  • atmosphere contains more CO2 Earth’s
  • has 100x less water than Earth’s atmosphere

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