Earth, Sun, and Moon System

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Across
  1. 2. the number of hours it takes for Earth to rotate on its axis once (two words)
  2. 4. when one celestial object passes through the shadow of another
  3. 6. an imaginary line that marks the center of a planet or moon's rotation
  4. 8. when one celestial body orbits another
  5. 9. the name for the phases of the moon (two words)
  6. 10. the number of days, approximately, it takes for Earth to revolve around the Sun (five words)
Down
  1. 1. the horizontal line dividing earth into northern and southern hemispheres, where sunlight hits most directly
  2. 2. the number of days, approximately, it takes for the Moon to revolve around Earth (two words)
  3. 3. the change in weather that occurs due to the Earth's 23.5 degree axial tilt
  4. 5. the name of the North Star
  5. 7. the motion of a spinning object