are you saying an environment is only appreciable if it's a biosphere? why? that seems utterly arbitrary.
i'd quite enjoy bouncing around in 1/4 gravity, or sailing over lakes of hydrocarbons if i could. sure it's equally arbitrary, but it would be more novel than any environment on earth.
i'd quite enjoy bouncing around in 1/4 gravity, or sailing over lakes of hydrocarbons if i could. sure it's equally arbitrary, but it would be more novel than any environment on earth.
what does selfishness have to do with it?