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Which of the following statements is true about a light year?


It is used to measure long periods of time

It is used to measure long distances in space

The distance to Proxima Centauri

It is a term used only in science fiction

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snappleiscool7oy70h0
It is used to measure long distances in space. So the answer would be B. 
audreygraham0831

Answer: B) It is used to measure ling periods of time.

Explanation:

A light year is how far it light travels in a year. For example, or galaxy, The Milky Way, is 100,000 light years across. That's 100,000 years to get from one side, to the other.

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