Rotation of the Earth Accordin

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In day II, Galileo does not determine or prove that the earth rotates. However, neither does he disprove that the earth remains motionless. Through this section, he shows only that many, if not all, of the arguments against the earth rotating have absolutely no relevance to the theory that earth remaining motionless. Early in this section, Salviati reveals many concepts including that the earth's motions do not affect bodies on the earth. This concept is later addressed in an attempt to disprove the relevance of the various arguments. Although other concepts are discussed, this concept is shown to have the greatest effect on the arguments of those who do not believe the earth to rotate.

Relative motion is the concept that motion does not exist for objects that move equally. This principle allowed for many of Galileo's arguments as portrayed as Salviati. Salviati analyzes the results of several experiments and observations to prove the principal of relative motion, which serves to defeat many of the arguments against the rotation of the earth.

Most of the arguments against the rotation of the earth were in the form of experiments. Such as one experiment was that a ball, when dropped from a tower, would a

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