three lens cluster 三组透镜
Each cluster includes a pair of eyes with a sophisticated lens, retina, iris and cornea. Scientists aren't sure how they process what they see.
每组包括一对拥有复杂晶状体、视网膜、虹膜和角膜的眼睛。科学家们还不确定它们如何处理它们看到的东西。
A close inspection, however, shows that many background galaxies are strangely magnified and distorted into long curving arcs by the gravitational lens deflections of the cluster.
但仔细观察会发现许多背景上的星系都由于该星群的引力透镜的偏斜而被扩大并扭曲成怪异的长条弧状曲线。
Just days after space shuttle astronauts repaired the Hubble space Telescope in mid December, the giant lens focused on a star cluster at the edge of the universe - and photographed heaven.
仅在航天飞机的宇航员于12月中旬修复哈勃太空望远镜几天之后，特大镜头聚焦于宇宙边缘的一个星团——拍摄到了天国。
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