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Chemistry, 19.07.2019 20:30 alliemeade1
One parsec equals 3.26 light years, where a light year is the distance light travels in one year. if the speed of light is 186000 mi/s, how many parsecs does it take for light to reach mars from earth, which is 60 million kilometers away? (1 km = 0.621 mi) use "e" for scientific notation.
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One parsec equals 3.26 light years, where a light year is the distance light travels in one year. if...
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