The Solar System

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Across
  1. 2. small particles of debris floating
  2. 7. emission of energy
  3. 11. everything in existence is inside this.
  4. 13. a form of transport that travels regularly between two places.
  5. 16. all planets _____ around the sun.
  6. 17. a system of millions or billions of stars.
  7. 18. the act of studying out of space
  8. 20. a group of stars forming a shape or object
  9. 21. a gas produced by cow poo
  10. 24. gases surrounding the earth or another planet
  11. 26. used to portray a smaller or larger object
Down
  1. 1. an invisible force pulling everything towards the ground
  2. 3. a large ball of heat
  3. 4. a man-made object orbiting the Earth
  4. 5. surgical instrument used for exploring a wound or part of the body
  5. 6. the distance light travels in 365 days
  6. 8. a set of things working together
  7. 9. a large celestial body orbiting the sun
  8. 10. an imaginary line about which a body rotates
  9. 12. a celestial object consisting of a nucleus of ice
  10. 14. a colourless, odourless, highly flammable gas
  11. 15. using or involving ellipsis.
  12. 19. a series of shapes or symbols repeating
  13. 22. a small rocky body orbiting the sun.
  14. 23. a cloud of gas and dust in outer space
  15. 25. a body of matter that has entered the earth's atmosphere