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Tiangong 1 & 2
(Encyclopedia)Tiangong, Chinese space station: see space exploration; space station. ...Skylab
(Encyclopedia)Skylab: see space exploration; space station. ...Mercury space program
(Encyclopedia)Mercury space program: see space exploration. ...Mariner space program
(Encyclopedia)Mariner space program: see space exploration. ...Gemini space program
(Encyclopedia)Gemini space program: see space exploration. ...Hubble Space Telescope
(Encyclopedia)Hubble Space Telescope (HST), the first large optical orbiting observatory. Built from 1978 to 1990 at a cost of $1.5 billion, the HST (named for astronomer E. P. Hubble) was expected to provide the c...Infrared Space Observatory
(Encyclopedia)Infrared Space Observatory: see infrared astronomy. ...Apollo space program
(Encyclopedia)Apollo space program: see space exploration. ...Voyager, space probes
(Encyclopedia)Voyager, in space exploration: see space exploration; space probe. ...Spitzer Space Telescope
(Encyclopedia)Spitzer Space Telescope: see infrared astronomy; observatory, orbiting. ...Browse by Subject
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