Robotics. Mars Rovers

What do you think will be NASA’s next step in Mars exploration?

  1. yes
  2. yes
  3. NA
  4. may be sending of more rovers
  5. i don't know
  6. I have no idea
  7. I think there is no reason to explore one planet so long time.
  8. rovers
  9. Sending more advanced rovers to Mars
  10. Dunno