The Dark Sky Paradox

[intrigued] Have you ever wondered why the night sky is dark? When you look up on a clear night, away from city lights, you see a black canvas dotted with stars. But this darkness is actually a profound puzzle. The obvious answer seems simple: it's dark because the Sun is on the other side of Earth. When our part of the planet faces away from the Sun, we see darkness with only distant stars providing faint light. But here's the contradiction: In a universe filled with countless stars, the night sky shouldn't be dark at all. In an infinite universe filled with stars, no matter which direction you look, your line of sight should eventually hit a star. Think about standing in a forest – if the forest extends far enough in all directions, you can't see through it because there's always a tree blocking your view. The universe contains hundreds of billions of galaxies, each with hundreds of billions of stars. That's tens of trillions of stars at minimum.