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1.light year
光年收藏指正
2.More than one million light-year!
超过一百万光年！收藏指正
3.Light-year is an astronomical unit.
光年是一个天文单位。收藏指正
4.The Sombrero galaxy is located some 28 million light-years away.
草帽星系位于2800万光年以外。收藏指正
5.The distance of a light year boggles the imagination.
一光年的距离大得令人难以想象。收藏指正
6.The galactic center lies some 26,000 light-years away, toward the constellation Sagittarius.
银河系中心位于人马座，距离我们约26000光年。收藏指正
7.The Crab Nebula lies about 6,500 light-years away in the constellation Taurus.
蟹状星云距离金牛座大约6,500光年远。收藏指正
8.The distance travelled by light in one year is called a light year.
光在一年内行经的距离称作1光年。收藏指正
9.People in the Southern Hemisphere can see the Large Magellanic Cloud, which is about 160,000 light-years from Earth, and the Small Magellanic Cloud, which is about 180,000 light-years away.
南半球的人可以看到大麦哲伦星云，离地球16万光年远，以及18万光年远的小麦哲伦星云。收藏指正
10.A light-year is about 6 trillion miles, the distance light travels in a year.
一光年大约6百亿亿英里，即光行走一年的距离。收藏指正
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