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A light year is a measure of distance, not time. A light year is the distance that light will travel in one year. One light second is 186,000 miles. A light year is a measure of distance, not time. A light year is the distance that light will travel in one year. One light second is 186,000 miles.
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Earn +20 ptsQ: How many second in a light year?
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How many seconds in a lightyear?
Zero. "Second" is a unit of time, whereas "light year" is a unit of distance.The question is equivalent to asking: "How many days in a mile ?"
How many miles a second does the light travel?
The speed of light is 186,282 miles per second.
How many meters are in a light year?
1 light year = 9.4605284 × 1015 meters
How many second per year?
31556926 seconds in a year
How many millimeters in a light year?
1 light year = 9.46 × 1018 millimetres
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