30年前的哈勃太空望远镜
On April 25, 1990, the Hubble Space Telescope was deployed from the cargo bay of space shuttle Discovery. Here, Hubble has one of its two solar array panels deployed while still in the grasp of Discovery’s remote manipulator system. Image Credit: NASA 1990年4月25日，哈勃太空望远镜在发现号航天飞机的货舱中展开。哈勃望远镜的两个太阳能电池板之一已经展开，同时仍在探索号的远程遥控系统控制之下。 影像来源：NASA