If interstellar travel is as time- or energy- demanding as the above figures indicate, it is far from obvious what the motive for colonization might be.

interstellar, uinterstellar, 8interstellar, 9interstellar, ointerstellar, jinterstellar, kinterstellar, unterstellar, 8nterstellar, 9nterstellar, onterstellar, jnterstellar, knterstellar, iunterstellar, i8nterstellar, i9nterstellar, ionterstellar, ijnterstellar, iknterstellar, ibnterstellar, ihnterstellar, ijnterstellar, imnterstellar, i nterstellar, ibterstellar, ihterstellar, ijterstellar, imterstellar, i terstellar, inbterstellar, inhterstellar, injterstellar, inmterstellar, in terstellar, inrterstellar, in5terstellar, in6terstellar, inyterstellar, ingterstellar, inrerstellar, in5erstellar, in6erstellar, inyerstellar, ingerstellar, intrerstellar, int5erstellar, int6erstellar, intyerstellar, intgerstellar, intwerstellar, int3erstellar, int4erstellar, intrerstellar, intserstellar, intderstellar, intwrstellar, int3rstellar, int4rstellar, intrrstellar, intsrstellar, intdrstellar, intewrstellar, inte3rstellar, inte4rstellar, interrstellar, intesrstellar, intedrstellar, inteerstellar, inte4rstellar, inte5rstellar, intetrstellar, intefrstellar, inteestellar, inte4stellar, inte5stellar, intetstellar, intefstellar, interestellar, inter4stellar, inter5stellar, intertstellar, interfstellar, interastellar, interwstellar, interestellar, interdstellar, interxstellar, interzstellar, interatellar, interwtellar, interetellar, interdtellar, interxtellar, interztellar, intersatellar, interswtellar, intersetellar, intersdtellar, intersxtellar, intersztellar, intersrtellar, inters5tellar, inters6tellar, intersytellar, intersgtellar, intersrellar, inters5ellar, inters6ellar, intersyellar, intersgellar, interstrellar, interst5ellar, interst6ellar, interstyellar, interstgellar, interstwellar, interst3ellar, interst4ellar, interstrellar, interstsellar, interstdellar, interstwllar, interst3llar, interst4llar, interstrllar, interstsllar, interstdllar, interstewllar, interste3llar, interste4llar, intersterllar, interstesllar, interstedllar, interstekllar, intersteollar, interstepllar, interste:llar, intersteklar, intersteolar, intersteplar, interste:lar, interstelklar, interstelolar, interstelplar, interstel:lar, interstelklar, interstelolar, interstelplar, interstel:lar, interstelkar, intersteloar, interstelpar, interstel:ar, interstellkar, interstelloar, interstellpar, interstell:ar, interstellqar, interstellwar, interstellsar, interstellzar, interstellqr, interstellwr, interstellsr, interstellzr, interstellaqr, interstellawr, interstellasr, interstellazr, interstellaer, interstella4r, interstella5r, interstellatr, interstellafr, interstellae, interstella4, interstella5, interstellat, interstellaf, interstellare, interstellar4, interstellar5, interstellart, interstellarf.