Space Crossword

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Across
  1. 2. a person who travels in space
  2. 4. all of space and everything in it including stars, planets, galaxies, etc.
  3. 8. to send or shoot a rocket into space; the earliest part of a flight when the rocket lifts off the ground
  4. 10. solar _____
  5. 13. the scientific study of stairs, planets, and other objects in outer space
  6. 15. the imaginary straight line that goes through Earth's core which the Earth rotates around; The Earth spins on its ___ once every 24 hours
  7. 16. natural satellite of the Earth
Down
  1. 1. the 2nd planet from the sun
  2. 3. the upper layer of the Earth's atmosphere
  3. 5. a vehicle that is used for travel in outer space
  4. 6. a bright circle seen around the sun or the moon
  5. 7. the 4th planet from the sun
  6. 9. the closest planet to the sun
  7. 11. traveling through an unfamiliar area in order to learn about it
  8. 12. the line where the earth or the sea seems to meet the sky
  9. 14. the star the Earth orbits around