Choose the correct answer to complete the paragraph about the acceptance of the heliocentric model.

In the second century BCE, the Greek astronomer Ptolemy tried to explain the backward movement of the planets by using a solar system model that included _ (Solar Wind, Epicycles, or Elliptical Orbits) For centuries, this was the accepted model. During the Renaissance, Nicholas (Kepler, Galilei, or Copernicus) discovered the old heliocentric model of Aristarchus. In Aristarchus’s model, the rising and setting of the Sun was explained by the movement of the ___ (Sun, Earth, or Moon)

The correct options are B, C, and B respectively. In the second century BCE, the Greek astronomer Ptolemy tried to explain the backward movement of the planets by using a solar system model that included Epicycles for centuries, this was the accepted model.

During the Renaissance, Nicholas Copernicus discovered the old heliocentric model of Aristarchus.

In Aristarchus’s model, the rising and setting of the Sun were explained by the movement of the Earth.

What did Nicolaus Copernicus discover?

The father of modern astronomy is Nicolaus Copernicus, a Polish astronomer, and mathematician. The heliocentric hypothesis of the solar system, which he initially put forward, holds that Earth and other planets rotate around the sun.

Thus, Aristarchus was able to position the Sun at the center of the solar system and correctly order the planets in relation to the Sun. He presented a universe model with a fixed Sun and planets moving in elliptical orbits around the Sun.

Learn more about Nicolaus Copernicus here:

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