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Spaceflight in 1977 included some important events such as the roll out of the space shuttle orbiter, Voyager 1 and Voyager space probes were launched. NASA received the space shuttle orbiter later named , on 14 January. This unpowered sub-orbital space plane was launched off the top of a modified 747 and was flown unmanned until 13 August until a manned crew landed the ''Enterprise'' for the first time. In August and September, the two Voyager spacecraft to the outer planets were launched. Voyager 2, launched on 20 August, went on to fly past Jupiter, Saturn, Uranus and Neptune. Voyager 1, which was launched on 5 September, flew past Jupiter and Saturn, with a planned flyby of Pluto being cancelled in favour of a closer flyby of Titan.〔Hughes, J. (1996) Larrousse Desk Reference Encloypedia London RD press, World Aircraft Information Files (2001) London Aerospace publishing Ltd〕 ==Launches== }} |remarks = Spacecraft flew past Jupiter, Saturn, Uranus and Neptune, first spacecraft to visit Uranus and Neptune }} |remarks = Final flight of Titan IIIE, spacecraft flew past Jupiter and Saturn }} |} 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「1977 in spaceflight」の詳細全文を読む スポンサード リンク
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