ASTRON 103 Chapter 10: Textbook Notes - 10
5 Oct 2016
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Unit 10: geometry of the earth, moon, and sun. Pythagoras: 560-480 b. c. e: ancient greek mathematician who developed early ideas about the nature of the. Earth & sky, & geometrical techniques for studying them: earth = perfectly spherical. Christopher columbus discovering that the earth is round is a. Aristotle: 384-322 b. c. e myth: greek philosopher who developed many early ideas of physics and astronomy, led way to generating scientifically testable hypotheses about the universe by using naked-eye observations, observed proof that the earth is round. Different stars visible when traveling n to s. Less of horizon available as a ship sails away. 10. 2 - distance and size of the sun and moon. Aristarchus (of samos): 310 - 230 b. c. e : greek astronomer who first estimated the sizes & distances of the moon & sun, sun"s distance. Angle between sun & moon when the moon is lit (1st & 3rd.
