New Horizons' trailblazing journey to the solar system's outermost frontier took it past the orbit of Mars today at 6 a.m. EDT , 78 days after the spacecraft launched.
新地平线打响
探索太阳系边疆的第一炮，而在今天美国东部时间早上6点，在
78天后它成功
越火星轨
。
New Horizons' trailblazing journey to the solar system's outermost frontier took it past the orbit of Mars today at 6 a.m. EDT , 78 days after the spacecraft launched.
新地平线打响探索太阳系边疆的第一炮，而在今天美国东部时间早上6点，在78天后它成功越火星轨。
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