Solar System

1234567891011121314
Across
  1. 4. only planet with life
  2. 5. a person who is trained to travel in spacecraft
  3. 8. furthest planet from the sun
  4. 9. smaller than comet or asteroid
  5. 12. hottest and cloudy planet
  6. 14. coldest planet
Down
  1. 1. planet with brightest rings
  2. 2. small objects mostly made of ice
  3. 3. a celestial body resembling a small planet but lacking certain technical criteria that are required for it to be classed as such.
  4. 6. biggest planet in solar system
  5. 7. Neil Armstrong first human to step on ___
  6. 9. red planet;humans have sent robot here
  7. 10. number of planets in solar system
  8. 11. first planet in solar system
  9. 13. biggest star