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痴迷星空的小女孩

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Sofi Collis knows about journeys.A long one brought her from a Russian orphanage2 to her new home and family in Scottsdale, Arizona not so long ago.

So it's fitting that Sofi named the two NASA rovers3 landing on Mars in January, 2004.

"Spirit" and "Opportunity" were named in an essay4 Sofi entered in a Lego Company contest. Sofi wrote about her dream of coming to America as she looked up at the stars from an orphanage in Siberia. "At night, I looked up at the sparkly5 sky and felt better," she said in her essay.

The rovers will bounce to a halt6 on the Martian surface, protected by huge airbags7,then roll out and begin exploring two areas on opposite sides of the planet -- Gusev Crater for Spirit, and Meridiani Planum for Opportunity.

They will carry instruments8 to test the air, soil, and rocks for water and radio the results to Earth. Scientists want to learn about the history of water on Mars. The planet seems mostly dry today, but may have been much wetter in the past.

注释

1. galaxy n. 银河系,星系

2. orphanage n. 孤儿院

3. rover n. 漫游者,流浪者

4. essay n. 小文品,随笔,散文

5. sparkly adj. 活泼的,生气勃勃的

6. halt n. 停住,停止

7. airbag n. (空)气囊

8. instrument n. 仪器,仪表

索菲・科利斯对旅行有所了解。不久前,经过一段长长的旅途她从俄罗斯的一所孤儿院来到了位于美国亚利桑那州斯科茨代尔的新家。

因此,由她来命名美国国家航空航天局 (NASA)那两艘于2004年1月登陆火星的探测器是再合适不过的了。

“勇气号”和“机遇号”的名字源于索菲的一篇作文,那是她在参加由Lego公司举办的作文竞赛时写的。索菲写到,在西伯利亚孤儿院,每当仰望夜空繁星时,就梦想自己来到美国的情景。她在作文中说:“夜晚,当我仰望闪烁的星空时,心里就涌起美好的感受。”

这两艘外表受到巨大气囊保护的探测器,经过弹跳后将在火星表面静止下来,然后开始在火星表面对两个全然不同的区域进行探测――“勇气号”的探测位置是古谢夫环行山,而“机遇号”的位置是火星赤道处的平原上。

它们将用携带的仪器检测火星上空气、土壤和岩石中的水分,并通过无线电把结果发回地球,科学家想了解火星上有关水的历史,今天火星上的大部分地区足干燥的,但过去也许曾经比现在要潮湿得多。