Apple Fixture Installation » 苹果夹具安装 guese » 居泽 Past is past even if you recall it again and again » 过去的已经过去了，即使你还记得，一次又一次地 ..
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更好的是，它处在其星系的宜居带以内，围绕恒星格利泽的轨道距离适中，液态水足以存在。
Better still, it's located in what's known as a habitable zone, orbiting Gliese at just the right distance to have liquid water.
我们现在知道这颗行星的轨道超出了宜居带一点，因此，格利泽 581 c 的表面很可能太热而无法存在液态水。
We now know that the planet's orbit is slightly outside of the habitable zone and that, as a result, Gliese 581 c's surface is likely too warm to have liquid water.
今年五月，法国天文学家发现宜居行星“格利泽581d”，该行星比“开普勒22b”要近得多，距离地球约20光年。
In May, French astronomers identified Gliese 581d, pronounced “gleezer”, which is far closer at around 20 light years away.
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