WaltL1
Senior Member
that is the issue, we know the rate of deposition of dust on the moon. The moon is a undisturbed place, either by man or atmosphere. what dust lands there stays there. If the earth and moon were 4.6 billion years old, then the dust should have been much,much deeper. BUT IT AIN'T!
To make matters worse, lunar dust suffers from a terrible case of static cling. UV rays drive electrons out of lunar dust by day, while the solar wind bombards it with electrons by night.