Why Is The Night Sky Black? Dust, Gas And The Color Red
The night sky isn't as empty as it looks. You just can't see everything that's out there.By Matt Picht | October 13, 2016
A starry sky at night is a beautiful sight. But what's with all the negative space?
The theory goes like this: We're surrounded by billions and billions of galaxies. Since those galaxies are all emitting light, we should be seeing more than enough starlight to fill up the entire night sky.