The 10th planet

How could you describe what is a planet?

  1. A big, round rock, made of several kinds of material.
  2. huge marble ball
  3. PLanet is a big place where nobody lives.
  4. Well..I now what is it but it's hurt to explain...
  5. a huge thing :)
  6. Planet is a big ball.
  7. dfasdf
  8. globe which orbit around Sun
  9. burbuliukas erdvej
  10. A palnet is a big rock =D...