(Wondering Joe) wrote in message . com...
The earth's atmosphere is our first line of defense from falling
asteroid. There is no atmosphere in the moon. If you telescope the
moon you'll see too many craters caused by asteroids falling in the
moon. Unlike the International Space Station it can evade the
asteroid. Space station in the moon they'll need to install missiles
to protect it from dropping asteroids.

The biggest risk to ISS is space junk, which sometimes it can avoid.
There is no risk of space junk on the moon.

The next risk is micro meteorites, which can puncture the ISS. A moon
base could (should - for radiation purposes) be protected by a layer
of regolith, which means it's a much harder base than the ISS.