Arabella's Crossword Puzzle

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Across
  1. 2. our galaxies name
  2. 6. what happens after a huge star explodes
  3. 10. a telescope in space launched in 1990
  4. 11. a group of planet and stars
  5. 13. a large spacecraft that holds astronauts
  6. 17. a space craft
  7. 19. A spacecraft launched by NASA 1977
  8. 20. the simplest element
  9. 21. the thing that makes up constellations
  10. 22. our planet
  11. 23. how the planet moves
Down
  1. 1. a cloud of gas in outer space
  2. 3. a region of cold planets like Pluto
  3. 4. something in space
  4. 5. our earth is an example of this
  5. 7. a picture made up of stars
  6. 8. the distance light travels in one year
  7. 9. how heavy something is
  8. 12. the north star
  9. 14. newtons 1st law
  10. 15. a triple star system
  11. 16. one orbit of the earth
  12. 18. the thing that pulls us to the earth