ページの作成:「<br>The 305m diameter radio dish of the Arecibo Observatory in Puerto Rico. There are huge telescopes, and then there are the truly humongous telescopes, [https://gogs.s…」
(ページの作成:「<br>The 305m diameter radio dish of the Arecibo Observatory in Puerto Rico. There are huge telescopes, and then there are the truly humongous telescopes, [https://gogs.s…」)