[... He's given up on logic with the things you are saying. It doesn't make scientific sense but. Okay then.]
My world? It's... well. The year there is 2308, so I'm ahead of a lot of people's worlds, it seems. Space travel is very common, and some people live on colonies above the Earth. Personally, I spent most of my life in space... coming to Earth was kind of a shock for me. The gravity was different.