8. Two 30,000 light-year-long blobs called Fermi bubbles have been discovered on either side of our galactic plane. John Matson reports
在银河盘面两端，发现了两个长达30,000光年的东东，它们被称作费米尔泡。
youdao
9. It's about 2 light-years long and half a light-year wide. It's located about 2, 000 light years away in the direction of the Constellation Cygnus.
它大约有2光年长、半光年宽，位于天鹅座方向，距地球约2,000光年。
youdao
10. The visible universe contains at least 10100 bits of entropy, which could in principle be packed inside a sphere a tenth of a light-year across.
整个可见宇宙起码含有10100位元的熵，这麽多的熵原则上可以塞进直径为1/10光年的圆球内。
youdao
11. Captured here are the top of a three-light-year-tall pillar of gas and the dust that is being eaten away by the brilliant light from nearby bright stars.
照片所捕获的是由气体和尘埃所组成，高达3光年的巨柱的顶端。它被附近明亮恒星们的耀眼光芒所遮盖。
youdao
12. In MACSJ0717, a 13-million-light-year-long stream of galaxies, gas and dark matter -- known as a filament -- is pouring into a region already full of galaxies.
13. By 2011 debris in the center of the ring, which is about a light-year in diameter, was blazing more intensely as the supernova entered a new stage of stellar demise.
14. For a crew to make the 50, 000-light-year journey to the centre of the Milky Way within 10 years, they would have to travel at 99.999998 per cent the speed of light.
要在10年内飞行50000光年到达银河系中心，飞船速度必须达到光速的99.999998%。
youdao
15. None of those planets are like Gliese 581 g, a rocky world about three times the mass of Earth orbiting — along with five sibling planets — a red dwarf star 20 light-year from Earth.
16. If I when the scientists, most want to invent thing that UFO, UFO very fast speed, the highest is a light-year per minute, so humans can take a UFO to explore the mysteries of the universe.
如果我当上科学家，最想发明的东西就是UFO, U FO的速度非常快，最高是每分钟一光年，这样人类就可以乘ufo探索宇宙的奥秘。
youdao
17. For six months of the year, there is hardly any light at the poles.
一年中的6个月里，地球的两极几乎没有任何光线。
《柯林斯英汉双解大词典》
18. For the last three years, light shows on the Bund have been successfully held for New Year's Eve celebrations, but this year the light show was canceled and there were fewer police on hand.
19. Horseshoe crabs kept in the dark continuously for a year were found to maintain a persistent rhythm of brain activity that similarly adapts their eyes on a daily schedule for bright or for weak light.
20. Why do we light firecrackers on Chinese New Year?
为什么中国过新年要放鞭炮？
youdao
21. "You are as light as sea-shells," answered the Tunny, who was as large as a two-year-old horse.
“你们像海贝壳一样轻。”金枪鱼回答说，他有一匹两岁的马那么大。
youdao
22. Last year, the light-coloured car sold better than the dark-coloured ones.
去年浅色车比深色车卖得好。
youdao
23. A short distance, to be sure, but at the time it felt like a lightyear.
确实只有很短的距离，但那时我却感到距离了一光年似的。
youdao
24. The Oort cloud is a vast belt of dust and ice that is believed to lie around one lightyear from the Sun and is the origin of many of the comets that pass through our solar system.
