NATS 1745 Chapter Notes - Chapter 7: History Of Longitude, Primary Mirror, Secondary Mirror
16 Apr 2018
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He said there was an invisible fluid between the planets because he defined matter by an amount of space, and so if there is space there must be matter (ether) The planets" motion was driven by the sun"s spin on its axis disturbing the ether, thus creating a whirlpool/vortex; and since the sun is the largest body it pulls all of the planets around it eternally in orbit. Gravitational attraction causes the motion of all bodies, on earth or in space falling object incr. If the moon was closer to the earth, the earth would have a stronger gravitational pull so the moon would move faster. This is why falling objects fall faster as they fall towards the ground, because they"re getting closer and closer to the gravitational force pulling them down. He invented calculus which is the math that describes how quantities change and is the only precise way to describe motion.
