Space System

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Across
  1. 1. lumps of ice , dust, and rock that circle the sun
  2. 3. a big circular body tat moves in an elliptical orbit around a things
  3. 5. traveling around another object
  4. 8. a small object that orbits a big object
  5. 10. an object in the night's sky that lights up and moves
  6. 12. electromagnetic radiation
  7. 13. a large natural body that travels around the earth
  8. 14. a measure of the amount of matter in objects
  9. 15. and instrument used to see far away
Down
  1. 2. lines up all electromagnetic based on their wavelenghts
  2. 4. an imaginary line about which a body rotates
  3. 6. this is a sphere made of mostly ice material
  4. 7. the science that deals with the universe
  5. 9. a unit of measurement that measures the distance that light travels in a year
  6. 11. a number used to multiply one object to get another