The Idea That a Scientific Theory Can Be ‘Falsified’ Is a Myth
scientificamerican.com
scientificamerican.com
Falsification is about the futility of elevating an idea to general truth if it cannot be tested. It is not about giving up a thought by the first sign of a contradiction. I am not sure how a contradiction manifests for gravity in the periapsis of Merkur or the Moon, but it is probably solved by today or the exception proves the rule.
We don't need to abandon anything if it wasn't correctly parsed in the first place.