UPSC 2001 › Geography › Astronomy & Earth–Sun System

2 questions · 2001 · answers as per the UPSC key

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Who amongst the following was the first to state that the Earth was spherical?

(a) Aristotle
(b) Copernicus
(c) Ptolemy
(d) Strabo
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Answer: (a) Aristotle

If the stars are seen to rise perpendicular to the horizon by an observer, he is located on the

(a) Equator
(b) Tropic of Cancer
(c) South Pole
(d) North Pole
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Answer: (a) Equator