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What is the speed of light ? |
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Answer» Answer: Exact VALUE of speed of light = 299792458 m/s or 3×10^8 m/s.. Explanation: ASTRONOMICAL units per day: 173 Miles per SECOND: 186000 Miles per hour: 671000000 Metres per second: 299792458 Kilometres per hour: 1080000000 Parsecs per YEAR: 0.307 From Sun to Earth (1 AU): 8.3 min |
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