• It would seem sensible to seek the source of these in the universe's most conspicuous energy factories: quasars and gamma-ray bursts billions of light-years away from Earth.

    宇宙引人注目能量工厂——距离地球数十亿光年类星体伽马射线爆发——中寻找这些物质的来源似乎明智的。

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  • Gamma-ray bursts last for an average of about 30 seconds.

    爆炸发出类似伽马射线高能射线,但伽马射线的爆发通常只持续30秒钟。

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  • The gamma-ray burst was first detected by NASA's Swift satellite in April 2009.

    这个γ射线NASA的“雨燕观测卫星于2009年四月首先观测到。

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  • The telescopes will also be good at spotting supernovae and gamma-ray bursts.

    这些望远镜对超新星伽马射线爆发进行定位不错

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  • NASA's Swift satellite picked up the X-ray afterglow of the September 16th gamma-ray burst.

    美国航空航天局“雨燕”号卫星捕捉伽马射线余晖,产生9月16日伽马射线爆发过后。

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  • Both groups searched for the gamma-ray glow from dark matter in dwarf galaxies orbiting the Milky Way.

    研究环绕银河系星系中的暗物质放射的伽马射线。

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  • When the same source flared again after a 45 minute pause it was clear this event was not a typical gamma-ray burst.

    45分钟停顿之后同一源头再次爆发时,显然一事件并非通常的伽马射线爆发。

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  • The bubbles display a spectrum with higher peak energies than that of the diffuse gamma-ray glow seen throughout the sky.

    气泡结构光谱呈现出峰值能量高于全天区弥散伽马射线的状态。

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  • NASA launched the Swift gamma-ray telescope thinking it would give scientists a way to monitor the births of black holes.

    在恒星被黑洞摧毁一瞬间,发射强大的γ射线,就如同发出SOS信号一样。

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  • Soon after launch, Fermi started picking up gamma-ray bursts (GRBs), powerful explosions usually triggered by dying stars.

    发射成功不久费米太空望远镜即开始收集伽马射线爆发(GRBs)的迹象,通常这种强烈的爆发是濒死恒星造成的。

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  • These positrons then come into contact with electrons in the body, and the two annihilate, releasing two gamma-ray photons.

    正电子人体组织中的电子发生作用而湮灭,产生两个伽玛射线光子。

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  • If the black hole eats a star every 30,000 years, that hot plasma could provide enough energy to power the gamma-ray bubbles.

    如果这个黑洞每隔30,000吞掉颗行星的话,那么这些等离子就可能驱动两个伽马射线泡泡提供足够能量

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  • If the black hole eats a star every 30, 000 years, that hot plasma could provide enough energy to power the gamma-ray bubbles.

    如果这个黑洞每隔30,000吞掉颗行星的话,那么这些等离子就可能驱动两个伽马射线泡泡提供足够能量

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  • IceCube's task is to watch for energetic neutrinos emanating from violent cosmic events such as supernovae and gamma-ray bursts.

    冰立方任务找到那些一些剧烈宇宙事件超新星伽马射线爆发中发射不来的高能中微子。

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  • Last month, we discovered a bright gamma-ray flare from the direction of this star while it was undergoing a huge optical outburst.

    上个月颗亮星经历大规模光学爆发时候我们所在方向上发现了一次伽马射线爆发。

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  • Positrons and electrons annihilated each other, emitting gamma rays detected by Fermi's gamma-ray burst detector, researchers said.

    正电子电子会相互湮灭而发射出伽玛射线,再费米爆发检测器所检测到研究人员说。

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  • This artist's concept depicts what a gamma-ray burst might look like if we could view it up close (this is not something we'd recommend).

    幅艺术想象图描绘的是在近处观察我们可不建议这么伽马射线爆发时的景象

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  • Fermi was located immediately above a thunderstorm for most of the observed gamma-ray flashes, but in several cases, storms were far away.

    费米直接去监察一次雷暴雨,以便能观察到大多数伽玛射线闪光有些情况下风暴远远地离去。

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  • These speedy electrons interact with photons in the galactic halo, boosting some of them up to the gamma-ray energies observed in the bubbles.

    这些高速电子银河光子相互作用,将它们中的一些激发,使之成为泡泡中观测到伽马射线。

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  • Shortly after launch in 2008, when we first turned on the telescope, we noticed an unexpected bright object in the newly observed gamma-ray sky.

    2008年望远镜发射升空不久我们第一次启动它时候,新近观察到伽马射线天空中发现一个出乎意料的明亮物体

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  • A cosmic gamma-ray burst striking the Earth could be harmful to ocean plankton at depths of up to 75 m, according to a team of Cuban researchers.

    根据古巴团队研究结果,一次袭击地球宇宙中伽马射线爆,对于至75浮游生物仍然有害的。

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  • Natural gamma-ray curves that include great amount of geological information can well reflect stratigraphic cycles caused by climate changes.

    自然伽马曲线包含丰富地质信息能够很好地反映气候变化引起地层旋回。

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  • The [terrestrial gamma-ray flash] produced high-speed electrons and positrons, which then rode up Earth's magnetic field to strike the spacecraft.

    这些地面伽玛射线闪光产生了高速电子正电子然后它们缩回到地球磁场上去撞击航天器

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  • AS depicted in this NASA illustration, the twin "bubbles" seen in Fermi's gamma-ray observations also manifest themselves at X-ray and radio wavelengths.

    按照美国航空航天局的示意图上所描绘的,费米伽马射线望远镜所观测到气泡X射线和射电波长均有显现

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  • This was underscored by last week’s announcement of a series of extraordinary X-ray and gamma-ray blasts from a star being devoured by a monster black hole.

    上个星期关于恒星发出的特别X射线γ射线黑洞吞噬一系列报告中着重提及此事。

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  • It activates a gamma-ray detector that will spot a nuclear blast as much as 100 miles away and instantly shut all the airvents. He had it tested before moving in.

    能使伽马射线嗅探器工作——嗅探100英里核爆炸立即关闭所有通风口。

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  • It activates a gamma-ray detector that will spot a nuclear blast as much as 100 miles away and instantly shut all the airvents. He had it tested before moving in.

    能使伽马射线嗅探器工作——嗅探100英里核爆炸立即关闭所有通风口。

    youdao

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