The absence of atmosphere in space will allow the space telescope to show scientists light sources as far as 14-billion light years aways some seven times farther out than those visible to the biggst ground-based optical telescope.
由于太空中没有空气,因此太空望远镜可以给科学家展示远在140亿光年外的光源,这比基于地面的最大光学望远镜可以看到的要远差不多七倍.