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How scientists colorize photos of space

One of the saddest things you learn as you grow up (aside from the truth about Santa and the Tooth Fairy) is the fact that all those brilliant pictures you see of outer space are made in a computer. That’s right — all of the brilliant colors found in nebulas and star systems are added after the fact. But why is this? Well, science holds the answer, and aside from just looking pretty, there are some very good reasons why certain colors are chosen. The scientists behind these images aren’t just astronomers — they’re artists.

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