L is for Light-year

ZEN AND PI

I know, I know, I’m way behind on my A to Z posts. Life hit me hard this month but I’m doing my best to start catching up. I plan to post for two letters a day until I’m back on track. Thank you for reading 🙂 

Everyone has heard of a light-year, most of us from a science fiction book or movie, but very few understand exactly what it is and how it is used in astronomy. The inclusion of the word year often confuses people into thinking it is a measure of time but a light-year is actually a measure of distance.

Think of it like when you are on your way to a friends house and you tell someone you are about “10 minutes away”, you substituted time for distance to give them a better idea of how far away you are.

In order to make…

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About GoldenTiger

This internet presence will automatically self-destruct in 3...2...1... gone. Gone, baby, gone.
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