"The Institute of Geophysics, Chinese Academy of Sciences encrypted the most sophisticated gravimeter, and took values every second during the total solar eclipse in Mohe, Heilongjiang Province on March 9, 997. Two gravity valleys were observed during the total solar eclipse."
It is impossible for the mass of the earth to suddenly decrease. The logical conclusion is that when the sun, the moon and the earth are in a line, the external gravity is enhanced. This phenomenon cannot be explained by the existing physical theory.