Vocab Word Wall Crossword Puzzle

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Across
  1. 3. the angle between the planet's rotational axis and its orbital axis
  2. 5. the moon before getting smaller
  3. 8. agency responsible for the space program
  4. 12. a big camera that can see all the way out of our orbit
  5. 13. investigation out of our orbit
  6. 14. a big rock in space heading towards the earth
  7. 15. when moon moves into the earths shadow
  8. 18. a rock falls from space to earth
  9. 21. a building or place given over to or equipped for observation of natural phenomena
  10. 22. a ring that all our planets follow
  11. 23. the biggest star in the earths orbit
  12. 24. before a full moon and after a new moon
  13. 26. an eclipse in which the sun is obscured by the moon
  14. 27. a person that is exploring space
  15. 28. when light encounter a discontinuity in the medium through which it is being transmitted
  16. 30. the degree of compactness of a substance
  17. 31. is the earths only satellite
Down
  1. 1. piece of technology that is in space and orbits around earth in 90 minutes
  2. 2. a celestial body resembling a small planet
  3. 4. a big airplane that goes into orbit to do space exploration
  4. 6. a moon, planet, or machine that orbits a planet or a star
  5. 7. the rate at which an entity such as a star completes cycles of rotations
  6. 9. planets that are not sustainable to a human body
  7. 10. a phase of the moon almost finishing its cycle
  8. 11. cosmetic snow balls of frozen gases, rock, and dust that orbit the sun
  9. 16. phase that is starting the moon phase
  10. 17. a continuous area or expanse which is free
  11. 19. conclusion reached on the basis of evidence and reasoning
  12. 20. three distinct parts of a shadow
  13. 23. a big ball of hot gases
  14. 25. the universal force of attraction acting between all matter
  15. 29. the shadow cast by the earth or moon over an area experiencing a partial eclipse