The Hubble Space Telescope has helped expand our knowledge of the universe.

哈勃太空望远镜帮助我们扩大了对宇宙的认识。

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Ed Weiler says the Hubble telescope also confirmed the existence of black holes.

埃德.维勒说，哈勃太空望远镜也证实了黑洞的存在。

These are extremely dense masses believed to exist at the center of most galaxies. Their gravitational pull is so strong, they absorb light.

一般相信，这些密度极高的物质存在大部分的银河中心。黑洞的万有引力很强，能把光线吸进去。

"Black holes were science fiction. 'Star Trek,' 'Star Wars.' 'Black holes -- nice theory but nobody believes in them, right?' Hubble proved they exist.”

“黑洞曾经是科幻小说，出现在星舰迷航、星际大战等等。‘黑洞是个不错的理论，但没人相信他们对吧？’而哈勃证实了黑洞的存在。”

The Hubble Space Telescope completed its one millionth scientific observation in July. NASA is building a new space telescope to look even deeper into the beginnings of the universe.

哈勃太空望远镜在7月完成了它第一百万次的科学观测。美国航空航天局正在建造一个新的太空望远镜，想更进一步探索宇宙的起源。