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外太空不断传来神秘信号(中英双语)

青岛希尼尔翻译咨询有限公司(www.sinosenior.com)整理发布  2016-03-08

  

青岛希尼尔翻译公司(www.sinosenior.com)2016年3月8日了解到:Researchers just announced the discovery of radio signals from beyond our galaxy that are behaving in strange ways. Fast radio bursts—or FRBs—are very rare, very quick blasts of radio waves originating billions of light years away, Popular Science explains.
  研究人员刚刚宣布发现来自外太空的古怪无线电讯号。《大众科学》杂志解释道,高速射电爆发(FRB)是非常少见的,这是一种数十亿光年外聚集的高速无线电波。
  It’s unclear where exactly in the universe they’re coming from and what’s causing them. Since the first one was discovered in 2007, scientists have found only 17 total, and none of them ever repeat, the Verge reports. At least that’s what everyone thought. According to a paper published this week in Nature, researchers at Cornell University have found evidence of FRBs that do just that.
  目 前尚不清楚它们的成因以及确切的来源地。前沿网说,自从科学家们在2007年第一次发现该现象开始,至今只发现了17次相同的现象,然而它们之中没有重复 的片段。至少这是所有人的看法。根据本周在《自然》上出版的一篇论文,康奈尔大学的研究人员已经找到了表明FRB传输的证据。
  Scientists used to think FRBs were caused by "cataclysmic events," such as neutron stars colliding with each other and exploding. Repeating FRBs means that can’t be the case. "This research shows for the first time that there can be multiple FRBs from the same place in the sky," researcher Shami Chatterjee says in a press release. "Whatever produces the FRB can’t be destroyed by the burst, because otherwise, what would produce the next pulse?"
  科学家们一度认为是一些譬如中 子星相撞或爆炸的“灾难性事件”引发了FRB现象。然而重复的FRB现象却打破了这种猜想。研究人员Shami Chatterjee在通讯稿中说:“这次研究首次表明了会有多重来自天空同一个角落的FRB现象。不管是什么,只要是FRB的生成源就不可能被爆炸毁 坏,否则谁来制造下一波FRB?”
  And the mystery deepens: "We’re showing that whatever battery drives FRBs, it can recharge in minutes," astronomy professor James Cordes says. "The energy of the event becomes very problematic." Researchers hope to next pinpoint where the FRBs are coming from in order to figure out what they’re coming from, and they’ll be helped by three massive radio telescopes that start operating next year.
  而 疑团却显得更重了,天文学教授James Cordes说:“我们展示了不管是怎样的电池驱动着FRB,它能在短短几分钟之内供给能量。而这个现象所呈现的能量让人心生疑虑。”研究人员希望能够精 确定位FRB的来源地,从而弄清它们的来源是什么。他们将使用三台将于明年投入使用的大型无线电望远镜。
  来源:usa today


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