Solution Q.1.

Which of the following lists contains only supporters of the Heliocentric Model of the Universe?

(a) Aristarchus, Copernicus, Kepler
(b) Aristotle, Aristarchus, Copernicus
(c) Aristotle, Aristarchus, Kepler
(d) Aristotle, Copernicus, Newton

Answer: A

Aristotle proposed a model consisting of 55 spheres with the Earth at the centre. It was Geocentric.
Aristarchus, Copernicus, Kepler and Newton all proposed Heliocentric models with the Sun at the centre.

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