小木槌
发表于 2025-3-30 09:52:43
http://reply.papertrans.cn/33/3202/320152/320152_51.png
反话
发表于 2025-3-30 13:54:24
,The “Leviathan of Parsonstown”,d to a mechanical drive, and it could never be used for serious photography or spectroscopy. Yet it was by far the most powerful telescope ever built up to that time, and it was used to make fundamental discoveries. Its immense light-grasp meant that it could show objects quite beyond the range of a