Who among the following discussed the reasons and timings of dawn and twilight?
Al-Biruni investigated astronomical phenomena including dawn and twilight and their timings. His contribution should be distinguished from the modern convention defining…
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Who among the following discussed the reasons and timings of dawn and twilight?
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Correct answer C
Al-Biruni investigated astronomical phenomena including dawn and twilight and their timings. His contribution should be distinguished from the modern convention defining astronomical twilight by a particular solar depression angle, which is not a definition of every kind of twilight.
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RPSC Assistant Professor (College Education)