Copernicus's Model of the Universe as Expounded in on the Revolutions

question 60

Multiple Choice

Copernicus's model of the universe as expounded in On the Revolutions of the Heavenly Spheres

• A) discarded the idea of crystalline spheres in which heavenly objects were embedded.
• B) included elliptical orbits for the planets.
• C) discarded all of the Ptolemaic epicycles.
• D) included the perfectly circular orbits of the Aristotelian-Ptolemaic system.
• E) discarded Aristotle's theory of motion.

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Definitions:

Hand-off-automatic Circuit

A control circuit configuration that allows a device or system to be operated manually or automatically, based on the position of a selector switch.

Pilot Control Device

A mechanism or component used to regulate the operation of machinery or systems through the control of smaller power inputs.

Loss of Power

A situation where electrical power is interrupted or unavailable to a device or area.

Two-wire Motor

A motor designed to be operated with two electrical connections, typically for power and ground.