What was the ptolemaic model?

a.) the earth-centered model of the cosmos in which the earth was surrounded by seven perfect spheres, one each for the sun, moon, mercury, venus, mars, jupiter, and saturn
b.) a sun-centered model of planetary motion published by ptolemy
c.) an earth-centered model of planetary motion published by ptolemy
d.) the first scientific model to successfully predict solar and lunar eclipses

C.) An Earth-Centric model of planetary motion published by Ptolemy

Explanation:

Earth-centric  model was developed by Greek astronomer Claudius Ptolemaeus in the 2nd century AD. 'Almagaest' was his main work and it was the culmination of centuries of work done in Astronomy by Babylonian, Hellenistic and Hellenic astronomers. His model involved 80 epicycles to explain the motion of Five planets, sun and moon.

According to Ptolemaic model, Earth is at the centre of the Universe. Moon, Sun, star and planets orbit around the Earth and some of the orbits have epicycles. It is Earth-centred model also known as geocentric model. This model have eccentric motion.

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