Space crossword

1234567891011
Across
  1. 2. Colour of the hottest star
  2. 5. The measurement of travelling light
  3. 6. Planet that has no moons
  4. 7. Is not classified as a planet anymore
  5. 9. The galaxy we live in
  6. 10. Planet that spins opposite way to other planets
  7. 11. The star at the centre of the solar system
Down
  1. 1. The largest planet in the Solar System
  2. 3. physical rocks about the size of a pebble
  3. 4. A cloud of dust and gas
  4. 6. The earths natural satellite
  5. 8. Known as the red planet