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Astronomy help ---- What is a light year?

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What is a light year?
asked Aug 3, 2017 in Other by genry

1 Answer

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A light year, in astronomy, is the distance which light traverses during one standard Earth year. Just calculate how many hours there are in one year and multiply this quantity by 1080000000, and you will receive the distance in kilometers. This will be just one light year. Considering there are stars, galaxies, and other objects located hundreds of thousands light years away from the Earth, you can imagine (or more likely, cannot--because the human mind just cannot imagine such distances) how big our universe is.
answered Aug 3, 2017 by admin (2,270 points)