His universal law of gravitation explained many things, including the action of tides & the motion of comets
- Pearson [PAR] mathematical, I deduce the motions of the planets, the comets, the moon, and the 
... many coastal activities, including tide pooling, shell collecting, surfing, ... nearly 
every port for several centuries and there are many examples of the term tide in ... 
until Isaac Newton (16421727) developed the universal law of gravitation... [DOC] [TLE] Newton, Isaac (1642-1727) -- from Eric Weisstein's World of ... [PAR] (laws of inertia, action and reaction, and acceleration proportional to force).