最终，奥运会主火炬由中国奥运英雄李宁点燃，他在万众瞩目之下缓缓升起，在空中绕场一周，点燃了象征奥林匹克精神的熊熊之火。
Finally, the cauldron was lit by a jet of fire from Chinese Olympic hero li Ning, who had been hoisted up to the roof of the stadium on wires.
十年来，国际空间站共运行了21亿公里，绕地球运转57300多次，接待过来自15个国家的167人，提供过1.9万多次用餐服务。
The space station has traveled 2.1 billion km, orbited Earth more than 57, 300 times, hosted 167 people from 15 countries, and served up more than 19, 000 meals.
马勒和其他一些人认为，这颗暗星绕太阳运行一周大约要用2600万年的时间。
Muller and others believe that the dark star probably takes about 26m years to complete an orbit around the sun.
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