Questions 10
Question 1
In the geocentric model, all planets and stars were thought to move around the?
Answer: Earth
Question 2
The word “geo” in “geocentric” comes from an ancient Greek word meaning?
Answer: Earth
Question 3
The geocentric model was first suggested by?
Answer: Aristotle
Question 4
Ancient astronomers added epicycles to the geocentric model to explain?
Answer: The retrograde motion of planets
Question 5
The retrograde motion of a planet is when it appears to?
Answer: Move backward in the sky
Question 6
One reason people once believed in the geocentric model is that it looked like the Sun and stars?
Answer: Moved around the Earth each day
Question 7
The geocentric model was widely accepted for more than?
Answer: 2000 years
Question 8
In the geocentric model, Earth was believed to be?
Answer: Completely still at the center of the universe
Question 9
Ancient astronomers thought Earth must be at rest because?
Answer: They did not feel motion and saw the stars move across the sky instead
Question 10
According to Ptolemy, which of the following objects did not need epicycles to explain its motion?
Answer: The Moon and the Sun