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Voyager 1 passes shock wave milestone en route to stars

机译:旅行者1号穿越冲击波里程碑到达恒星

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摘要

"Voyager 1 has entered the final lap of the race to interstellar space," exults Edward Stone. And this time he is sure that the spacecraft he helped launch nearly 30 years ago has finally reached the very fringes of our solar system. Voyager 1 was supposed to have reached this milestone nearly three years ago but the evidence was inconclusive. Now it has officially crossed the "termination shock", the region where the speed of the solar wind drops abruptly from supersonic to subsonic, and has entered the shell of dense solar wind called the heliosheath that separates our solar system from interstellar space. "This is big news," says Eric Christian, the programme leader for Voyager 1 at NASA's headquarters in Washington DC.
机译:“旅行者1号已经进入了星际空间竞赛的最后一圈,”爱德华·斯通(Edward Stone)狂喜。这次,他确信自己将近30年前发射的航天器终于到达了我们太阳系的边缘。旅行者1号应该在三年前达到这个里程碑,但证据尚无定论。现在,它已经正式越过了“终止冲击”,即太阳风的速度从超音速突然降至亚音速的区域,并进入了密集的太阳风壳,称为太阳鞘,将我们的太阳系与星际空间分开。 “这是个大新闻,”旅行者1号计划负责人埃里克·克里斯蒂安(Eric Christian)在华盛顿特区的美国宇航局总部表示。

著录项

  • 来源
    《New scientist》 |2005年第2501期|p.15|共1页
  • 作者

    CELESTE BIEVER;

  • 作者单位
  • 收录信息 美国《科学引文索引》(SCI);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 自然科学总论;
  • 关键词

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