... Pierr Simone Laplas.) For his bright intellect and an outstanding achievements in several sciences (astronomy, physics, mathematics) Laplas was called "a French Newton". He became a consistent follower of Newton and rut a task before himself of explaining the planets motion, the movement of their satellites, the ocean rising tides in the Earth and a complicated motion of the Moon. Laplas showed that the planets inequalities should be periodical (based on Newton's gravitation principal). ...