What Evidence Supported Aristotle's Argument That the Earth Is a Sphere

question 1

Multiple Choice

What evidence supported Aristotle's argument that the Earth is a sphere?

• A)The sun projected a curved shadow of the Moon on to the Earth during a total solar eclipse.
• B)The Sun projected a curved shadow of the Earth on to the Moon during a lunar eclipse.
• C)The Sun projected a curved shadow of the Earth on to the Moon during a first quarter lunar phase.
• D)The Sun projected a curved shadow of a stick on to the curved surface of the Earth.

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Definitions:

Optic Nerve

The nerve that transmits visual information from the retina to the brain.

Cerebral Cortex

The cerebral cortex is the outer layer of the cerebrum in the brain, playing a key role in consciousness, thought, emotion, reasoning, language, and memory.

Feature Detectors

Nerve cells in the brain that respond to specific features of a stimulus, such as shape, angle, or movement.

Absolute Threshold

The minimum stimulus intensity required to detect a particular stimulus 50% of the time.