Question

Look at the diagram of the solar system.

Answer 1

Answer:

Retrograde Motion

Explanation:

Geocentric model of planets was proposed by Ptolemy. It stated that all sun, planets and stars revolve round the earth in circular orbits.

NOTE: Ptolemy: an ancient astronomer, geographer, and mathematician who considered the Earth the center of the universe (the "Ptolemaic system").

Answer 2

Answer:

THE ANSWER IS A

Explanation:

Which model is most similar to that of Aristarchus?

The solar system shows the planets in their orbits around the sun in this order: Mercury, Venus, Earth with Moon, Mars, Jupiter, Saturn. Fixed stars are around the outside of the orbit of Saturn.

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