Our galaxy

123456789101112131415
Across
  1. 2. a dwarf planet
  2. 5. how the sun makes energy
  3. 6. where the gas giant planets orbit
  4. 10. a large lump of space rock that orbits the middle of the solar system
  5. 12. where the rocky planets orbit
  6. 15. a cosmic rock burning through the atmosphere of earth
Down
  1. 1. how long it takes for light to reach us from the sun
  2. 3. a cosmic cloud of gas and dust
  3. 4. the speed of light
  4. 7. contains the sun, planets, asteroids and comets
  5. 8. the largest gas giant planet
  6. 9. an angle measured to find how far away a star is
  7. 11. a not very good method for finding out how far away a star is
  8. 13. the remains of a cosmic rock that lands on the surface of the earth.
  9. 14. made of ice and orbits far away from the sun