What is the most interesting fact that you know and I don’t but I should?

There is a discrepancy of 43 seconds of arc per century. Answer by A Quora admin: Precession of the perihelion of Mercury A long-standing problem in the study of the Solar System was that the orbit of Mercury did not behave as required by Newton's equations.To understand what the problem is let me describe theContinue reading “What is the most interesting fact that you know and I don’t but I should?”