With both China and now private entrepreneurs in a race to get probes on the moon NASA is rightly worried. There is much to hide on certain areas of the moon. I highly recommend you read up about the well known structures on the moon as this will bring the real reason for the no-fly zones into perspective.
The zones are intended to preserve the Apollo landing sites and artefacts left on the moon during the manned landing programme 40 years ago.
NASA’s no fly zones are prompted by the Google Lunar X prize, the $30 million competition for the first privately funded team to send a robot to the moon.
The robot has to be able to move 500 metres and send images from the moon. Precise landing near the Apollo sites would get them more money.
“Personally I think it’s fair game for anybody to try and get pictures,” says Stuart.
According to Science, NASA is expected to come up with a set of “recommendations” for spacecraft and astronauts visiting “US Government property on the moon”.
The property was abandoned and the 1967 Outer Space Treaty makes it clear that the lunar surface has no owner, so the recommendations will not be legally binding.