设计冰立方并不是用来捕捉遥远星球上发出的光，而是要捕捉一种叫做中微子的神秘粒子，这种粒子来自宇宙边缘，甚至能穿过地球。
IceCube does not record light from distant stars but ghostly particles called neutrinos which can fly from the edge of the universe and even pass right through the Earth.
与此相反，银河系边缘的星球却前途暗淡。
In contrast, prospects for planets at the galaxy's edge are bleak.
但但亮度变暗也可能是由食双星引起的，其从地球上看，两个星球出现在同一个轨道的边缘，因此每一次循环，每一个星球都会经过另一个的前方。
But dimming can also be caused by an eclipsing binary, a pair of stars in an orbit that appears edge on as seen from Earth so that each star passes in front of the other once per cycle.
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