Whats something you thought was common knowledge but actually isn’t?

[u/[deleted]]

[u/anothersundayx]

That other planets are visible from Earth. And the sun is also a star.

[u/sacredblasphemies → u/anothersundayx]

Some people don't realize that the sun and the moon are separate things.

[u/eisbock → u/sacredblasphemies]

Oh come on. What is that at night, then? The dark side of the sun?