Aristotle concluded that the earth is round because...
A) its shadow on the moon during an eclipse was always part of a circle.
B) ships going out to sea on a calm day appeared to sink into the ocean.
C) both of the above
D) Wrong! Aristotle thought the earth was flat.

Question

Quizplus · Accepted Answer

Aristotle observed that the Earth's shadow on the moon during a lunar eclipse was circular, and he also noted that ships appeared to sink as they moved away from the shore, both of which supported the idea of a spherical Earth.

Aristotle Concluded That the Earth Is Round Because