(1) Quick—how many planets are

  1. Aristotle and Potomac quick check how did fratelli's model of the star system explain the appearance changes and speed and
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  2. Aristotle and Ptolemy Quick Check1 of 31 of 3 Items Question How did Ptolemy's model of the solar system explain the apparent
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  3. Which idea about planets did both Pythagoras and Johannes Kepler believe?The planets are out of order the Planets move in
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  4. Which idea did Ptolemy’s model use to explain why the planets appeared to move backward as they moved in their orbits?The
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  5. How did Ptolemy’s model of the solar system explain the apparent changes in speed and direction of the planets?A. The planets
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  6. Gravity and Orbits Quick Check4 of 44 of 4 Items Question What prevents the planets in our solar system from floating away?(1
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  7. Gravity Quick Check3 of 43 of 4 Items Question What prevents the gravity of the sun to pull all of the planets towards it?(1
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  8. Moon and Planets Quick Check4 of 44 of 4 Items Question Which of the following best describes the make up of Saturn's rings?(1
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  9. Which statement describes the size of the inner planets?All the inner planets, except Mercury, are large. The inner planets are
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  10. How do outer planets differ from inner planets?(1 point)Responses They are smaller than the inner planets. They are smaller than
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