Astronomers using WISE have spotted six Y-class brown dwarfs close to our sun — within a distance of 40 light-years.
天文学家使用WISE已经找到了太阳系附近的6个Y型的褐矮星——都在40光年以内。
But the best news is that WISE has found a record-breaking Y-class dwarf.
而最好的消息则是，WISE日前发现了一颗被标记为Y型的褐矮星。
But the best news is that WISE has found a record-breaking Y-class dwarf.
而最好的消息则是，WISE日前发现了一颗被标记为Y型的褐矮星。
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