The inverse square law of
gravitation,which states that two bodies attract one another with a
force whose strength is directly proportional to the product of their
masses and inversely proportional to the square of their distance, is
constrained within boundaries set by general relativity for a
specific average density of matter, so that gravity causes the
curvature of space-time as the universe of matter constantly expands.
This is a theory which fitted the universe of known facts in the time
of the theorist, as does the theory of relativity in our own time.
Since relativity is not absolute it is therefore not true but is
merely a step on the way to a human understanding of truth
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