Science Chapter 10 - Space Systems I

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Across
  1. 4. the imaginary line running from the North Pole to the South Pole that separates the Eastern and Western hemispheres
  2. 8. relating to something that is clearly seen, understood, or perceived but may not be factual
  3. 10. the description of a location in relation to a specific object or reference point
  4. 11. a distant east or west of the prime meridian measured by degrees
Down
  1. 1. the study of the universe
  2. 2. characterized by steadiness, regularity, dependability, or sureness
  3. 3. half of a sphere
  4. 5. to apply force or effort
  5. 6. a building or location equipped with instruments for observing the universe
  6. 7. relating to gravity
  7. 9. an imaginary line that run through the middle of an object about which the object rotates