Question

what do you mean by gravitational anomaly

Answer 1

In theoretical physics, agravitational anomaly is an example of a gauge anomaly: it is an effect of quantum mechanics–usually a one-loop diagram—that invalidates the general covariance of a theory of general relativity combined with some other fields.
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Please mark the answer as brain list answer

Answer 2

gravitational anomly is the diffrence of between the the observed acceleration of free fall ,or gravity ,on planet surface and coressponding predicted from a model of planet's gravity feild.