Alex's Crossword Puzzle.

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Across
  1. 1. imaginary line planets spin on.
  2. 4. the path a planet travels around the sun.
  3. 5. shooting stars
  4. 8. something you look through to see stuff closer from afar
  5. 14. a measure of distance in space.
  6. 15. a man made object that orbits earth.
  7. 17. a kind of star formation.
  8. 18. turning of Earth.
Down
  1. 1. the many small objects between Mars and Jupiter.
  2. 2. a rocket launched space craft.
  3. 3. something flying around in space made of ice and dust.
  4. 6. having to do with the sun.
  5. 7. relating to the heavens or the skies.
  6. 9. having to do with the moon.
  7. 10. the milky way.
  8. 11. Something people study to learn about space.
  9. 12. a synonym for movement.
  10. 13. it takes a year for the Earth to do this around the sun
  11. 16. Earth space and all things in it.eclipse occurs when light from the sun is cut off.