Recent content by rmpearlman

TY, so there would be some cosmic expansion w/in the 18 M LY radius but it is not yet material relative to the normal orbital velocities till that?

what is thought to be the closest star whose light visible to us now is/has cosmological redshift? perhaps the same answer but in case not: at what LY distance does the prevalent cosmological redshift of distant starlight begin? TY, r