5 () posted 2 years ago by 925thejoyisgone 2 years ago by 925thejoyisgone +9 / -4 10 comments share 10 comments share save hide report block hide replies
You can take this multie-page mini course to see why the night sky is dark. https://www.e-education.psu.edu/astro801/content/l10_p2.html
TLDR: Not all stars last forever or are all born at the same time + the universe is expanding away from us in all directions.