Why is the night sky dark?


A person looks up at the Milky Way

Looking at the stars takes you back through time. All the way to the beginning.

If the universe is full of stars, why don't they light up the night sky?
via Popular Science "https://ift.tt/2QyxGYD"

Comments

Popular posts from this blog

The best air conditioner

We won't see a 'universal' vape oil cartridge anytime soon

Scientists clone monkeys for the first time