All bodies attract each other according to Newton's principle of universal gravitation:

   Where F is the force of attraction, M and m the mass of the bodies, and r is the distance between them. G is the universal gravitational constant.

   This force is what permits us to put satellites into orbit, governs the tides and controls the movement of the planets around the sun.

   If you want to revise the corresponding experiments, click on their name:

  Satellites, tides, solar system