Inner Planets in the Solar System
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Questions and Answers

What is the approximate distance of Mercury from the Sun?

  • 108 million kilometers
  • 46 million to 70 million kilometers (correct)
  • 228 million kilometers
  • 150 million kilometers

    • What is the duration of a Mercurian year, defined as the time taken for the planet to complete a full revolution around the Sun?

  • 88 Earth days (correct)
  • 224 Earth days
  • 24 hours
  • 365 days

    • Which of the following is true about the temperature on Venus?

  • The temperature averages 870 degrees Fahrenheit. (correct)
  • The temperature ranges from -220 degrees Fahrenheit to 70 degrees Fahrenheit.
  • The temperature ranges from -128 degrees Fahrenheit to 131 degrees Fahrenheit.
  • The temperature ranges from -300 to 800 degrees Fahrenheit.

    • What is unique about the rotation of Venus compared to the other planets in the solar system?

    <p>Venus is the only planet that rotates clockwise or backward compared to the other planets.</p> Signup and view all the answers

    What percentage of the Earth's surface is covered by water?

    <p>70%</p> Signup and view all the answers

    Which group of planets are known as the Inner Planets in our solar system?

    <p>Mercury, Venus, Earth, Mars</p> Signup and view all the answers

    What is the defining characteristic of the Inner Planets compared to the Outer Planets?

    <p>They are closer to the Sun</p> Signup and view all the answers

    How did the formation of the solar system's Inner Planets begin according to the text?

    <p>By the explosion of a solar nebula</p> Signup and view all the answers

    Why do Mercury, Venus, Earth, and Mars share common characteristics as Inner Planets?

    <p>Because they have rocky surfaces and are located close to the Sun</p> Signup and view all the answers

    What distinguishes Mercury from the other Inner Planets in our solar system?

    <p>It is the smallest planet</p> Signup and view all the answers

    Which type of planets are characterized by being denser than the outer planets?

    <p>Inner planets</p> Signup and view all the answers

    What is the defining characteristic of the outer planets' moons compared to the inner planets' moons?

    <p>Greater number</p> Signup and view all the answers

    Which celestial feature is unique to the outer planets in our solar system?

    <p>Large number of moons</p> Signup and view all the answers

    What forms the boundary between the inner and outer solar systems in our solar system?

    <p>Frost line</p> Signup and view all the answers

    Which group of planets is characterized by being primarily made of gas, ice, and rocks?

    <p>Outer planets</p> Signup and view all the answers

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