  It seems, then, best to interpret Anaxagoras as claiming that all the material ingredients of natural living things and the heavenly bodies are present in the original mix, but that these objects themselves are not among the ingredients but are natural constructions, produced by the processes of mixture and separation that we call nutrition and growth, or by the rotations of the heavens and the attendant clumping together and breaking apart of the ingredients of the stars, clouds, comets, planets, and so on.