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The new planet, called Gliese 581-g, is different.
这个叫做Gliese 581g的行星很特别。
youdao
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Gliese 581 is a red dwarf star 20.5 light-years from Earth.
格利泽581是一颗红矮星距离地球20.5光年。
youdao
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He said there are two ways to interpret the signals from Gliese 581.
他说有两种方法可以检验葛利斯581的信号。
youdao