History · From State to Empire
UGC NET July 2018 History
Who among the following was the first to explain that the rotation of the earth on its axis accounts for the daily rising and setting of the sun?
AAryabhata ✓ Correct
BBhaskara
CBrahmagupta
DVarahamihira
Correct answer: (A) Aryabhata — Aryabhata was the first to explain this, so the answer is Aryabhata.
Explanation
★Aryabhata was the first to explain this, so the answer is Aryabhata.
★He held that the rotation of the earth on its axis causes the daily rising and setting of the sun.
★He also stated that the earth is a spherical ball.
★He calculated that it takes about 23 hours 56 minutes and 4 seconds to rotate on its axis.
★He set out these ideas in his work the Aryabhatiya.
★So the first to explain the earth's rotation in this way was Aryabhata.
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