The 10th planet

How could you describe what is a planet?

  1. round thing of rock gaz or other material in solar system wich turns around it's own axe
  2. Good peace of material :)))
  3. A big, round rock, made of several kinds of material.
  4. huge marble ball
  5. PLanet is a big place where nobody lives.
  6. Well..I now what is it but it's hurt to explain...
  7. a huge thing :)
  8. Planet is a big ball.
  9. dfasdf
  10. globe which orbit around Sun