mariner 9
水手9号
以上为机器翻译结果,长、整句建议使用 人工翻译 。
November 13,1971, The American space probe, Mariner 9, has become the first spacecraft to orbit another planet, swinging into its planned trajectory around Mars without a hitch.
1971年的11月13日,美国宇宙飞船水手九号顺利进入火星的计划轨道飞行,成为首架环绕另一颗行星飞行的宇宙飞船。
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Dry channels on the Martian surface were first spied by Mariner 9 in 1971.
NPR: Radar Reveals Apparent Buried Channels On Mars
NASA's Mariner 9 and two Soviet orbiters arrived in May 1971 to find a global-wide dust storm in progress.
MSN: History littered with failed Mars probes
But a later mission, Mariner 9, showed in 1971 that the surface had extensive sand dunes, massive craters and huge lava flows.
ECONOMIST: Martian chronicles
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