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I had not thought of this regular decrease of gravity, namely that it is as the inverse square of the distance; this is a new and highly remarkable property of gravity.

Quoted in Popular Astronomy, Vol. 56 (1948), pp. 189 - 190, 1691.
I had not thought of this regular decrease of gravity, namely that it is as the inverse square of the distance; this is a new and highly remarkable property of gravity.