Which of the following statements correctly describes the models put forth by Ptolemy and Copernicus to explain the universe?

Question

Question 19 options:

A)

Both models were easy to understand and were well received by the public almost instantly.

B)

The model developed by Copernicus was simpler and had fewer inconsistencies than Ptolemy's model.

C)

The sun was in the center of Ptolemy's model, but the Earth was in the center of Copernicus's model.

D)

Through observations, both astronomers presented models wherein the Earth remained stationary.

Answer 1

The correct statement that describes the models put forth by Ptolemy and Copernicus to explain the universe is:

B) The model developed by Copernicus was simpler and had fewer inconsistencies than Ptolemy's model.

Ptolemy's model was a geocentric (Earth-centered) system that became increasingly complex due to the need to account for the observed motions of celestial bodies using epicycles. In contrast, Copernicus proposed a heliocentric (Sun-centered) model that was simpler and provided a more straightforward explanation for the movements of celestial bodies, although it still had some inaccuracies.

Here’s why the other options are incorrect:

A) Both models were not well received initially; Copernicus's model faced considerable resistance from many in the scientific community.

C) It is incorrect as well; Ptolemy's model placed the Earth at the center of the universe, while Copernicus's model placed the Sun at the center.

D) This statement is inaccurate because Ptolemy's model had the Earth stationary, but Copernicus's model also initially assumed a stationary Earth while moving the Sun to the center. However, the key difference is that Copernicus suggested the Earth and other planets revolved around the Sun, which leads to a more dynamic understanding of the solar system.