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4 Written questions

4 Multiple choice questions

  1. proved that other galaxies existed beyond the edge of the Milky Way

  2. ancient scientist who said earth was the center of the universe

  3. Danish Astronomer who produced large amounts of astromatical data but believed that other planets rotated around the sun while the sun and moon rotated around the earth

  4. English mathematician and physicist that studied gravity

3 True/False questions

  1. year
    time for Earth to make a complete rotation on its axis


  2. astronomy
    study of the universe


  3. day
    the time required for the Earth to orbit once around the sun


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