>If that is true, then why do they call it "the dark side of the Moon"? It's the side we can't see from Earth. It's dark as in unreachable by line of sight or

>If that is true, then why do they call it "the dark side of the Moon"? It's the side we can't see from Earth. It's dark as in unreachable by line of sight or light, eg radio communication, from Earth. "Far side of the moon" is the preferred term but "dark side" is popular and persists.