Space System

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Across
  1. 2. electromagnetic radiation
  2. 4. a big circular body tat moves in an elliptical orbit around a things
  3. 5. a small object that orbits a big object
  4. 6. the science that deals with the universe
  5. 9. a large natural body that travels around the earth
  6. 10. traveling around another object
  7. 14. it between the rocky planets and gas planets
  8. 16. system where are space is
  9. 17. and instrument used to see far away
  10. 19. everything that exists including stars, planets, matter, energy, and time
Down
  1. 1. this is a sphere made of mostly ice material
  2. 3. lines up all electromagnetic based on their wavelengths
  3. 5. an object in the night's sky that lights up and moves
  4. 7. a unit of measurement that measures the distance that light travels in a year
  5. 8. a reign beyond neptune
  6. 11. a number used to multiply one object to get another
  7. 12. a measure of the amount of matter in objects
  8. 13. lumps of ice , dust, and rock that circle the sun
  9. 15. a small planet
  10. 18. an imaginary line about which a body rotates