Eli5: What are the true colors of the universe?

511 viewsOtherPlanetary Science

I can’t understand what are the true colors of various different space photos. I know that they are colorized, but how? How human eye could see space, galaxies and everything “in person”? I can’t comprehend it

In: Planetary Science

9 Answers

Anonymous 0 Comments

They’re false colored because the instruments they’re using to image are often taking data in wavelengths not visible to the human eye. There’s a lot of interesting phenomena and information that is only observable in non-visible wavelengths. So when they publish the images they remap these other wavelengths into visible colors.

So what the “true colors” are, meaning what they would look like to our eyes isn’t nearly as important or interesting to the scientists taking the data.

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