PROBLEM OF THREE BODIES  , the problem of determining the See also:

• MOTION (Lat. motio, from movere, to move)
• MOTION, LAWS OF

motion of three bodies moving under no See also:

• INFLUENCE (Late Lat. influentia, from influere, to flow in)

influence but that of their mutual See also:

• GRAVITATION (from Lat. gravis, heavy)

gravitation . No See also:

• GENERAL
• GENERAL (Lat. generalis, of or relating to a genus, kind or class)

general See also:

• SOLUTION (from Lat. solvere, to loosen, dissolve)

solution of this problem is possible . As practically attacked it consists in the problem of determining the perturbations or disturbances in the motion of one of the bodies around the See also:

• PRINCIPAL

principal or central See also:

• BODY

body, produced by the attraction of the third . Examples are the motion of the See also:

• MOON (a common Teutonic word, cf. Ger. Mond, Du. maan, Dan. maane, &c., and cognate with such Indo-Germanic forms as Gr. µlip, Sans. ma's, Irish mi, &c.; Lat. uses luna, i.e. lucna, the shining one, lucere, to shine, for the moon, but preserves the word i
• MOON, SIR RICHARD, 1ST BARONET (1814-1899)

moon around the See also:

• EARTH
• EARTH (a word common to Teutonic languages, cf. Ger. Erde, Dutch aarde, Swed. and Dan. jord; outside Teutonic it appears only in the Gr. 'pq'e, on the ground; it has been connected by some etymologists with the Aryan root ar-, to plough, which is seen in
• EARTH, FIGURE OF
• EARTH, FIGURE OF THE

earth as disturbed by the See also:

• ACTION

action of the See also:

• SUN
• SUN (0. Eng. sonne, Ger. sonne. Fr. soleil, Lat. sol, Gr. ijXior, from which comes helio- in various English compounds)

sun, and of one See also:

• PLANET (Gr. ssXavirrns, a wanderer)

planet around the sun as disturbed by the action of another planet .