Earth, sun moon revision crossword

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Across
  1. 1. the star that orbits our planet.
  2. 5. the thing that keeps us on the ground.
  3. 6. an imaginary line that goes from the north to south pole.
  4. 8. a massive star in space that is very hot and produces light.
  5. 9. the phase of the moon in which its whole disc is illuminated.
  6. 10. the phase of the moon when it first appears as a slender crescent, shortly after its conjunction with the sun.
  7. 11. when the planet we live on does a rotation around the sun.
  8. 13. an eclipse in which the sun is obscured by the moon.
  9. 14. each of the four divisions of the year and are caused by the earth's tilt.
  10. 15. the phases of the moon when they are getting smaller is ------
  11. 16. there are twelve of them in a year.
Down
  1. 2. the curved path of a celestial object or spacecraft around a star, planet, or moon.
  2. 3. the curved sickle shape of the waxing or waning moon.
  3. 4. the moon having the illuminated part greater than a semicircle and less than a circle.
  4. 7. an eclipse in which the moon appears darkened as it passes into the earth's shadow.
  5. 11. the lean that our planet is on is called -------
  6. 12. the phase of the moon when only half its illuminated surface is visible from the earth; the first or lastquarter
  7. 15. the phases of the moon that are getting bigger.