It is a tiny joyrider from the rubble stream surrounding the solar system that broke free and orbits the sun in a tilted, elongated orbit.
它是从围绕太阳系而又自由浮动的
余物中游走出来的颗星。它体积微小，以倾斜、细长的轨道围
太阳运转。
It is a tiny joyrider from the rubble stream surrounding the solar system that broke free and orbits the sun in a tilted, elongated orbit.
它是从围绕太阳系而又自由浮动的余物中游走出来的颗星。它体积微小，以倾斜、细长的轨道围太阳运转。
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.
新地平线打响了探索太阳系边疆的第炮，而在今
东部时间早上6点，在发射了78后它成功跨越了火星轨道。
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