Earth and Space

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Across
  1. 4. an object that moves around another larger object in space
  2. 6. made of rock and metal
  3. 10. a force that pulls objects toward each other
  4. 11. Earth does this around the sun once a year
  5. 12. a group of stars that seems to form a picture in the night sky
  6. 13. the largest planet in the solar system
  7. 15. Earths spinning in space
  8. 16. a ball of rock and frozen gases
Down
  1. 1. an imaginary line through Earth
  2. 2. zone the region of space where the temperature range allows life to thrive
  3. 3. Earth is divided into theses halves
  4. 5. the path that an object takes around another object in space
  5. 7. a time of year with a particular type of weather
  6. 8. the smallest planet in our solar system
  7. 9. phases a change in the appearance of the moon's shape
  8. 10. the first person to study the night sky using a telescope
  9. 14. a large round body that revolves around a star in a clear orbit