Solar System

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Across
  1. 1. a flaming star at the centre of the solar system providing light and warmth
  2. 2. a moon, planet or machine that orbits a planet or star
  3. 3. a sphere of gas held together by its own gravity
  4. 7. areas that appear darker because they are cooler than other parts of the suns surface
  5. 8. any object that orbits around the Sun
  6. 10. a meteoroid that survives a trip through the atmosphere then hits the ground
  7. 12. a regular, repeating path that one object in space takes around another
  8. 13. the distance light travels in one earth year
Down
  1. 1. a gravitationally bound planetary system of the Sun
  2. 4. Earth's only natural satellite
  3. 5. fragments left over from the solar system formation
  4. 6. a cosmic ball of frozen gas, rock and dust that orbits the Sun
  5. 9. a meteoroid that enters Earth's atmosphere then vaporises
  6. 11. a system of stars, stellar remnants, interstellar gas, dust and dark matter