1. Tardigrade
  2. Question
  3. Physics
  4. I. All celestial objects, stars, the sun and the planets, revolve around the earth. II. The only motion that was thought to be possible for celestial objects was motion in a circle. III. The star, the earth and the planets, all revolve around the sun. Which of the following statement(s) is/are correct for a geocentric model?

Q. I. All celestial objects, stars, the sun and the planets, revolve around the earth.
II. The only motion that was thought to be possible for celestial objects was motion in a circle.
III. The star, the earth and the planets, all revolve around the sun.
Which of the following statement(s) is/are correct for a geocentric model?

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Solution:

In a 'geocentric model' all celestial objects, stars, the sun and the planets, all revolve around the earth. The only possible motion for celestial objects was motion in a circle.
So, statements I and II are correct but III is incorrect.