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单词 Suisei
释义
Suisei

Astronomy
  • A Japanese space probe to Halley’s Comet, launched in 1985 August; its name means ‘comet’ in Japanese. It passed 151 000 km from the sunward side of the comet’s nucleus in 1986 March, observing the comet’s hydrogen halo. After a final Earth swingby in 1992 August the mission ended. See also sakigake.


Space Exploration
  • Japan's second deep-space probe. The first was Sukigake, identical except for the scientific instruments on board. Launched in August 1985 to carry out a fly-by of Halley's Comet, Suisei had its closest approach to the comet in March 1986, detecting cometary water, carbon monoxide, and carbon dioxide ions.

    The mission was intended to include an encounter with comet Giacobini–Zinner in 1998, but Suisei exhausted its on-board fuel supply in February 1991 and Earth contact with the craft was lost.


Geology and Earth Sciences
  • A Japanese JAXA mission to comet Halley, launched in 1985. It reached Halley on 8 March 1986 at a distance of 151 000 km and was then redirected to comet Giacobini–Zinner and from there to comet Temple–Tuttle. The spacecraft ran out of fuel in 1991 and contact with it was lost.

    http://www.isas.jaxa.jp/en/missions/spacecraft/past/suisei.html Suisei.


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