Astr 1p01 - Study guides, Class notes & Summaries

__ argued that the Earth cannot be flat b/c a traveller moving south sees stars that were previously hidden below the previous horizon - ️️Aristotle __ argued that the earth must be spherical, b/c the shadow that the earth casts on the moon during a lunar eclipse is always part of a circle, no matter the moon's position - ️️Aristotle __ determined that gravity is responsible for keeping the Moon in it's orbit around the earth - ️️Newton __ discovered that the orbits of planets a...