Get planet earth reviews and study guides here. Learn about planet earth or brush up on your skills. Thorough explanations and practice examples will help you review astronomy.

Study Guides

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  • 1.

    An Extraterrestrial Visitor's Analysis of Earth Help

    An Extraterrestrial Visitor's Analysis of Earth Suppose that you were an extraterrestrial being visiting Earth for the first time. What would you see? How would you interpret your observations? Imagine yourself in the role of the explorer/reporter assigned the ...

    Source: McGraw-Hill Professional
  • 2.

    From Earth to Mercury Help

    From Earth to Mercury Imagine that you get on board an imaginary space vessel, the Valiant, for a trip that will take you all the way to the planet Mercury to begin an inside-to-outside tour of the Solar ...

    Source: McGraw-Hill Professional
  • 3.

    The Planet Earth Practice Problems

    Review the following concepts if needed: An Extraterrestrial Visitor’s Analysis of Earth Help

    Source: McGraw-Hill Professional
  • 4.

    Earth's Oceans and Deserts Help

    The Oceans The surface of Earth is largely covered by mineral-rich oceans of water. The largest of these, if seen from a certain vantage point in space, covers almost half the planet. This is the Pacific Ocean ; it was given ...

    Source: McGraw-Hill Professional
  • 5.

    Anatomy of Earth Help

    Anatomy of Earth The Earth has a slightly larger diameter at the equator than at the poles. This oblateness , or flattening, is caused by the rotation of the planet. The effect is too small to be visually apparent as the planet is ...

    Source: McGraw-Hill Professional
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