ESS
Grade-9
Easy
Question
The following model of solar system was proposed by_________.
- Newton
- Ptolemy
- Copernicus
- Brahe
Hint:
The Ptolemaic system was a geocentric system.
The correct answer is: Ptolemy
- Ptolemy postulated that the apparently irregular paths of the Sun, Moon, and planets were actually a combination of several regular circular motions seen in perspective from a stationary Earth.
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