光投射到望远镜镜头时也会弯曲。

Light also bends when it reaches the lens of a telescope.

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此外，玻璃被用来制作试管、望远镜、显微镜、镜子和相机镜头。

Glass has also been essential for test tubes, telescopes, microscopes, mirrors and camera lenses.

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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。

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.

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