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  A mysterious radio signal has been spotted by a telescope in Canada, and it’s one of the lowest in frequency to date.

  位于加拿大的一架望远镜探测到一个神秘的无线电信号,它是迄今为止频率最低的信号之一。

  Details of the signal were posted to The Astronomer’s Telegram, a website where accredited astronomers can post observations.

  该信号的详细信息发布在网站“天文学家电报”上,该网站是通过认证的天文学家发布观测资料的平台。

  An observation posted last week by Patrick Boyle from Canada’s McGill University finds a radio telescope called the Canadian Hydrogen Mapping Intensity Experiment (CHIME) discovered a fast radio burst, which are short bursts of radio waves coming from beyond the Milky Way Galaxy.

  加拿大麦吉尔大学的帕特里克·博伊尔上周发布的一项观察发现,名为加拿大氢气测绘强度实验(CHIME)的无线电望远镜发现了一个快速无线电突发信号,该信号发出短暂的无线电波,并且来自银河系以外。

  The FRB was detected at frequencies as low as 580 megahertz, the lowest frequency detection to date.

  该无线电信号的频率低至580兆赫,是迄今为止被检测到的最低频率。

  Science Alert reports the detection has not been independently verified, noting the case of Australian researchers who discovered a radio signal in 1998 only to find out 17 years later it was from a microwave.

  《科学警报》报告称检测尚未经过独立验证,并提到一名澳大利亚研究人员在1998年发现的无线电信号,在17年后发现它居然来自微波炉。

  Meanwhile, another astronomer submitted an observation to the Telegram claiming he had discovered a very bright star. It was actually Mars.

  与此同时,此前另一位天文学家向“天文学家电报”提交了一份观察报告,称他发现了一颗非常明亮的恒星。但它实际上是火星。

  Fast radio bursts were first discovered in 2007, but their origins are still unknown. Earlier this year, astronomers claimed they were close to determining the sources of these bursts. However, they could not rule out the possibility is a high-powered signal from an advanced alien civilization.

  快速无线电信号于2007年首次被发现,但它们的起源仍然未知。今年早些时候,天文学家声称他们已接近确定这些爆发信号的来源。然而,他们不能排除这些信号是来自先进外星文明的高能信号的可能性。

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