'funner' fact. This was done in 1969-73 using 1969 technology. Less spread, more precise readings that, as an example, is used to show such things as the distance between the moon and the earth is increasing by 1.5 inches/year.

'funner' fact. This was done in 1969-73 using 1969 technology. Less spread, more precise readings that can is used to show such things as the distance between the moon and the earth is increasing by 1.5 inches/year.