Anime with the highest futuristic universe in anime

[DarkAngel]

i can think of spaceships and battles over planets in many anime but it's hard to compare which got the highest setting lol.
thoughts?

 

[Rinko]

I can't think of any particular anime. All the mecha anime are futuristic universes and to compare the best among them is not going to be easy.

 

[MoonlightShadow]

 

[Kaname]

I think Cowboy Bebop could be a good fit man.
The spaceships and the planet travel along with space junk hints the top universe model