It has no special meaning, asdfg is just the first five letters on the home row of your keyboard.
The home row is the middle row of keys where you are taught to place your fingers while you type, at least when you use a typing tutor program.
asdfg
asdfg
asdfg/lkstrh/kljhjyuhly
These are the first five letters on the second line of your keyboard.
asdfg
9 (sad,fad,fads,das(Russian word),ad,ads,fag,fags,gas)
They mean that there are no air particles in space.
Space can mean a few different things. Space can mean outer space, or space in between letters or getting space to your self.
what is a space rover
Positive space is the space taken up by shapes or color. Negative space is the space that isn't.
Space means distance in meters between objects or locations.
if you mean humans then the have oxygen tanks on space suits