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What is a light year? by Brain Stuff | Mixes.VuiZ.Net
What is a light year?
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Brain Stuff
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#Howstuffworks
#How stuff works
#Marshall
#Lightyear
#Space exploration
What is a light year?
Brain Stuff
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Description
A light year is a way of measuring distance -- specifically, the distance light can travel in one year. Just how far is that? Check out this classic Brainstuff podcast from HowStuffWorks' archives to learn more about astronomy.
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