First Six Weeks Vocab

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Across
  1. 3. sphere: an imaginary sphere of which the observer is the center and on which all celestial objects are considered to lie.
  2. 4. ascension and declination: the two coordinates that are used to locate celestial objects the same way latitude and longitude are used to locate things on Earth
  3. 5. an outdated model of the solar system with the Earth at its center.
  4. 9. equator: the imaginary circle projected into space from the earth's equator.
  5. 10. one of 88 zones in which the night sky is divided
Down
  1. 1. an imaginary line in the sky that marks the path of the sun, the moon, and the planets in our solar system.
  2. 2. the point in the sky or celestial sphere directly above an observer.
  3. 6. zone: the area of the sky that never dips below the horizon.
  4. 7. a current model of the solar system with the Sun at its center
  5. 8. north pole: the point in the sky about which all the stars seen from the Northern Hemisphere rotate.