What is space made out of? What is the blackness in space?
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Space is like normal air, but with the air removed.
Everything we know is made of atoms, right? Space is the lack of atoms. There’s nothing there. (without addressing quantum stuff)
The blue in our atmosphere is due to something we call Atmospheric Scattering – basically, the earth’s atmosphere is a giant prism, and we see the blue part. At sunset, the sky turns red because the angle is different, and we see a different part of the prism.
Space has no atmosphere for the light to bend through, therefore it’s black.
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