its a colon. You are saying your dream is to go to the moon not connecting Similar details Like a semicolon.
I’m not going to write 4-5 paragraphs but I could give you a idea of why it’s called that. It could be called “The call of the Wild” because you could feel a desire to go out to wild places. You know how you could be on a Cliff and you just feel the feel rushing behind you and how you could hear music?
It is a bandwagon! Good luck
(?winner?) maybe??? That seems the most likely answer