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。

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.

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两项新的研究（一项是纯理论性的，另外一项集中在一个已知的太阳系外行星）表明乍一看似乎太寒冷而不足以庇护生命的星球可能比预期的要温暖。

Two new studies, one purely theoretical and the other focused on a known exoplanet, suggest that planets that would on first blush seem too cold to harbor life may be balmier than expected.

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一项研究发现，相比以前的估计，太阳系年龄或可前推

The solar system may be up to two million years older than previously thought, a new study has found.

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And a lot of the strikes that you see in high schools and in-- I better get to my lecture,but-- you see in high schools and even in middle schools, have to do with the State,somebody saying, well we're going to take away two-hundred teachers in your department, or we're going to maintain a curriculum that doesn't seem to make any sense.

在高中里可以看到很多罢课,我最好回到正题,但还是再讲一点,在高中,甚至在初中有很多罢课,为了反对政府的某项规定,比如说要在这个系减少两百个教师,或者主张一份,完全不合理的课程安排

耶鲁公开课 - 1871年后的法国课程节选