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Siddharth Singh

Class 10th
Sst
2 years ago

Who first measured the size of the sun?

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SUNDARAM SINGH

2 years ago

Eratosthenes measured Earth's circumference mathematically using two surface points to make the calculation. He noted that the Sun's rays fell vertically at noon in Syene (now Aswān), Egypt, at the summer solstice.

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