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atmosphere

rotation properties

Aristotle a philosopher and scientist was the first to deduce that the Earth's shape was round. He gave 3 reasons why.

(1) Matter is drawn to the center of the Earth by gravity.

(2) As you move from north to south, new constellations are seen rising above the southern horizon.

(3) During an eclipse, the Earth's shadow on the Moon is always round. The only object whose shadow is always circular, no matter what its orientation, is a sphere.

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