2003年8月25日：斯皮策空间望远镜发射升空

美国国家航天局（NASA）的“大天文台计划”旨在通过不同波段观测宇宙。作为该计划中最后一台发射的望远镜，斯皮策空间望远镜于2003年8月25日进入太空。

NASA’s Great Observatories were intended to peer at the universe in different wavelengths: the Hubble Space Telescope in visible light, the Compton Gamma Ray in gamma rays, the Chandra X-ray Observatory in X-rays, and the Spitzer Space Telescope in infrared. The last of the four to be launched, Spitzer was carried into space on Aug. Continue reading "Aug. 25, 2003: The Spitzer Space Telescope launches" The post Aug. 25, 2003: The Spitzer Space Telescope launches appeared first on Astronomy Magazine .