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Type the number

Exercise and reference answers

Questions
  1. Answer
    8
    Question
    Major planets orbiting our Sun
  2. Answer
    4
    Question
    Terrestrial planets counted from Mercury to Mars
  3. Answer
    1300
    Question
    Earths that would fit inside Jupiter
  4. Answer
    1930
    Question
    Year Pluto was discovered
  5. Answer
    2015
    Question
    Year New Horizons reached Pluto
  6. Answer
    1
    Question
    Distance in AU from the Sun to Earth
Instructions
Type the number only.

Explanation

_Source: OpenStax Astronomy 2e, Chapter 7, Other Worlds: An Introduction to the Solar System._
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