A new survey of the Kuiper belt - the distant area of the solar system beyond the orbit of Neptune - has turned up three new icy worlds that may be dwarf planets like Pluto.
一项对柯伊伯带-太阳系学海王星轨道之外的远距区域的调查，找到了三个新的冰封世界，可能像冥王星那样的矮星。
Five planets orbiting a distant star form a real alien solar system.
围绕一颗遥远恒星运行的五颗行星形成了一个真正的异域太阳系。
Take a spectacular trip to distant realms of our solar system to discover where secret forms of life may lie hidden.
以壮观的旅行到遥远的领域，我们的太阳系，发现秘密的生命形式可能在于隐藏。
An organic molecule has been spotted for the first time in the atmosphere of a planet outside our solar system, a key step toward possibly finding signs of life on a distant world, scientists say.
科学家们称，在太阳系以外一颗行星的大气中首次发现了一种有机分子；在遥远的星球上可能会找到生命的迹象，但发现有机分子是关键的一步。
The 33-year Odyssey of NASA's Voyager 1 spacecraft has reached a distant point at the edge of our solar system where there is no outward motion of solar wind.
NASA的探测器旅行者1号历经三十三年的冒险旅程，到达了遥远的太阳系边缘的一个角落——在这里太阳风不再向外吹拂。
The 33-year Odyssey of NASA's Voyager 1 spacecraft has reached a distant point at the edge of our solar system where there is no outward motion of solar wind.
NASA的探测器旅行者1号历经三十三年的冒险旅程，到达了遥远的太阳系边缘的一个角落——在这里太阳风不再向外吹拂。
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