This work was further refined by Joseph-Louis Lagrange and Pierre Simon Laplace, allowing the masses of the planets and moons to be estimated from their perturbations.
Əšiɣilan wən aqalan ašišan fal Joseph-Louis Lagrange əd Pierre Simon Laplace, taganen asikin ən tazayt ən tiblulaɣen əd ayuran dǎɣ afel ən ɣašadan nasan.