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LIGHT YEAR. - ppt video online download
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What is the value of one light year?
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Find the value of one light year in giga meter.
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The speed of light in air is 3.00xx 10^8 m//s The distance travelled by light in one year (i.e.365 days = 3.154xx10^7s) is know as one light year. A student calculates one
LIGHT yEAR. - ppt download
