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Voice 1: Today's Spotlight is on the Stardust space vehicle. The Stardust collected materials from space. Scientists were very happy to see the Stardust return to earth. They were excited to study the materials collected inside. Why do scientists believe these materials are so important?
聲音1：今天的重點(diǎn)報(bào)道節(jié)目就聚焦星塵號(hào)宇宙飛船。星塵號(hào)從太空收集了材料?？茖W(xué)家很高興看到星塵號(hào)返回地球。他們對(duì)研究星塵號(hào)所收集到的材料感到興奮不已。為什么科學(xué)家認(rèn)為這些材料如此重要？
Voice 2: NASA, the United States' space program, began building the Stardust in 1994. It took five years to build. NASA engineers sent it into space in February, 1999.
聲音2：美國(guó)航空航天局是負(fù)責(zé)美國(guó)太空計(jì)劃的機(jī)構(gòu)，該機(jī)構(gòu)從1994年開始建造星塵號(hào)。這艘宇宙飛船歷時(shí)5年建造完成。美國(guó)航空航天局在1999年2月將星塵號(hào)送上太空。
Voice 1: The Stardust vehicle is small. It weighs only about three hundred and fifty kilograms. During its time in space, the Stardust carried a special container. Inside the special container was a very special material. Scientists call this material aerogel.
聲音1：星塵號(hào)宇宙飛船很小。其重量只有350公斤左右。星塵號(hào)在太空旅行期間搭載著一個(gè)特殊的收集器。這個(gè)特殊收集器內(nèi)部由一種特殊材料制成。科學(xué)家稱這種材料為氣凝膠。
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