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What Is a Light-Year? | NASA Space Place – NASA Science for Kids
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What is a light-year?
LogIQids - #LearnWithLQ - What is a Light Year? Popular misconception makes one believe that a light-year is a unit of time. However, it is an astronomical unit of distance. One light-year
Light-year - Wikipedia
The light year is a measurement of distance. It is defined as the distance light travels in one year in vacuum. The speed of light in vacuum is 299792.458 kilometers per second.
How Far is a Light Year? - Universe Today
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What Is a Light Year?? - YouTube
eSky: Light Year
A light year (ly) is a unit of distance defined as the distance light travels in one year. Numerically, 1 ly= 9 500 000 000 000 km. How many metres are in a light year?
Exit : Why is a light year called a light year? - ppt download
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One light year is equal to . | Physics Questions
