"0"^^ . . "the branch of astronomy concerned with the application of Newton's laws of motion to the motions of heavenly bodies"@en-us . "106097594"^^ . . . "0"^^ . . . "celestial mechanics"^^ . "104643664"@en-us . "06097594-n"^^ . "celestial mechanics"@en-us . . . . "105733577"@en-us . .