Just saw a video of the hubble telescope zooming into a small patch of seemingly empty night sky revealing millions of stars and galaxies invisible to the naked eye.
Makes me wonder, if space is mostly empty and there’s possibly infinite number of stars and galaxies in any given part of the night sky, shouldn’t the night be as bright as the day?
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The universe is expanding. A consequence of this is that light from distant objects “shifts” into wavelengths that we can’t see.
What you’re looking for is [Olber’s paradox](https://en.wikipedia.org/wiki/Olbers%27s_paradox).
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