They used advance technology... just simply kiss and shake fingers.. they are androgynous.. so both get impregnated in the process..
A planet with low gravity would not be able to hold onto a very thick atmosphere, so this alien would probably be subterranean or aquatic, and thus have one that can be retracted inside its body.
especially if that water is cold, huh?
those face-planting star-fish have a monster hose. not for me, but I'd like to bang one of those star-trek Klingon gals with the scrambled eggs on her fore-head
I'm thinking that low gravity will have little direct influence on that particular appendage.
A green 3 incher!
oooh a big one.
thanks a good fantasy. alien3 host envy ?