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Explorations: Stars, Galaxies, and Planets
Thomas Arny, University of Massachusetts

The Terrestrial Planets

Outline

The Terrestrial Planets 459

15.1 Portraits of the Terrestrial Planets 460

    15.2 Mercury 462

      Mercury's Temperature and Atmosphere 463

      Mercury's Interior 465

      Mercury's Rotation 466

    15.3 Venus 467

      The Venusian Atmosphere 467

      The Greenhouse Effect 468

      The Surface of Venus 468

      The Interior of Venus 472

      Rotation of Venus 472

    15.4 Mars 473

      The Martian Atmosphere 476

      The Martian Interior 479

      The Martian Moons 480

      Life on Mars? 480

    15.5 Why Are the Terrestrial Planets So Different? 481

      Role of Mass and Radius 481

      Role of Internal Activity 482

      Role of Sunlight 482

      Role of Water Content 482

      Role of Biological Processes 482

    15.6 Update: Exploring Mars 483