Space Crossword puzzle

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Across
  1. 4. First astrount on the moon-famous quote
  2. 6. old debris from old space projects floating in space
  3. 8. 11 first space craft mission that made it to the moon and back
  4. 10. caused by the moon
  5. 11. The distance that light travels in one year
  6. 13. torus-shaped region in the Solar System, located roughly between the orbits of the planets Jupiter and Mars
  7. 14. Mercury, Venus, Earth, Mars
  8. 15. A method for reducing all measurements by the same amount to achieve the proportions of the scale model.
  9. 16. branch of science that studies the stars, planets, and other objects in space.
  10. 17. the planet we live on
  11. 18. what orbits the Earth
  12. 20. Jupiter, Saturn, Uranus, Neptune
Down
  1. 1. A large system of dust, gas, stars, and other celestial bodies that has a particular shape.
  2. 2. A natural (for example, the moon) or artificial (for example, the hubble space telescope) object that orbits another object in space.
  3. 3. what all the planets in our solar system orbit
  4. 5. outer most planet in our solar system
  5. 6. eight planets and their moons in orbit around the sun.
  6. 7. The curved path of one object, such as a planet or moon, around a central object
  7. 9. Used to be a planet, now a dwarf planet
  8. 12. The most widely accepted and used civil calander used internationally.
  9. 15. other suns in our galaxy/universe far away
  10. 19. closest planet to the sun