The extension of astronomy from visible light to radio waves to x-rays and gamma rays never failed to lead to the discovery of unusual objects such as radio galaxies, quasars, and pulsars.
从可见光扩展到无线电波,再到X 射线和伽马射线,天文学总是会发现不寻常的物体,如射电星系、类星体和脉冲星。
But how can terrestrial gamma rays reach Fermi's orbit in space?
但地表伽马射线如何能到达太空中安放费米镜的卫星呢?
This interaction can produce gamma rays or secondary protons .
这种互相作用能够产生射线或第二代质子。
Near the star gamma rays are destroying our planet's ozone layer?
临近恒星伽马射线正在摧毁我们地球的臭氧层?
The blobs are huge—30, 000 light-years tall—and glowing with gamma rays.
这两个东东很大,高达30,000光年,并因释放伽马射线而绚丽多彩。
Food is irradiated by brief exposure to X-rays, gamma rays or an electron beam.
食品通过短暂地暴露在x射线、γ射线或电子束来进行辐照杀菌。
When these electrons are deflected by molecules in the atmosphere, they emit gamma rays.
当这些电子被大气中的分子所偏转时,它们会发射出伽玛射线。
It was so bright that Integral was able to measure the polarisation of its gamma rays accurately.
它太亮了所以Integral才能够准确测出其伽马射线的偏振方向。
And this object, this pulsar in the Crab Nebula is radiating copious amounts of x-rays, of gamma rays.
这个物体,这蟹状星云的脉冲星,辐射出丰富的x射线,以及伽马射线。
The distant storm was below Fermi's horizon, so any gamma rays it produced could not have been detected.
远处的暴风雨在费米的视线之下,所以暴风雨所产生的任何伽马射线,都不可能会被检测到。
Meanwhile, the newly real particles decay, giving off (among other things) light, X-rays and gamma rays.
同时新生的真实粒子衰减,(在其他事物之中)发出光、X射线和伽马射线。
Either way, one sign of dark matter particles, researchers think, is a burst of annihilation-induced gamma rays.
科学家们认为,无论是这两种解释的哪一种,暗物质颗粒的一种标志是粒子湮没爆发出的伽马射线。
Every so often the sun emits a gigantic burst that includes highly energized x-rays gamma rays and charged particles.
太阳偶尔放射出包括高能量x射线、伽马射线,和带电粒子。
Every so often the sun emits a gigantic burst that includes highly energized x-rays, gamma rays, and charged particles.
太阳偶尔放射出包括高能量x射线、伽马射线,和带电粒子。
Some of these gamma rays pass near atomic nuclei, in the process transforming into an electron and a positron, researchers said.
某些伽马射线在靠近原子核的附近经过,进入到转化为个电子和正电子的过程,研究人员说。
In other words, if these theories accurately describe nature, high-energy gamma rays travel slightly slower than the speed of light.
换句话说,如果这些学说完全切合实际情况的话,则高能伽马射线的传播速度要慢于光速。
Positrons and electrons annihilated each other, emitting gamma rays detected by Fermi's gamma-ray burst detector, researchers said.
正电子和电子会相互湮灭而发射出的伽玛射线,再由费米的爆发检测器所检测到,研究人员说。
The other device can detect the distinctive gamma rays produced by collisions of neutrons with the atoms of different chemical elements.
另一台设备,探测中子与不同化学分子碰撞后产生的不同伽马射线。
It can measure the gamma rays that the uranium emits when it spontaneously breaks up in pieces and energy is released we call that fission.
能测量铀发出的伽马射线,当它同时,散成碎片和释放能量时,我们称之为裂变。
These high-energy gamma rays, detected by Fermi’s Large Area Telescope (LAT), have wavelengths one-thousandth the size of an atomic nucleus.
这些“费米大天区望远镜(LAT)”所侦测到的高能伽马射线的波长仅相当于原子核大小的千分之一。
It will defend the earth's magnetosphere by deflecting meteorites and comets, it will lessen the effects of gamma rays into the Earth's atmosphere.
它会通过使陨石和彗星偏离而保护地磁圈,这会有效地减少进入地球的伽马射线。
The most damaging radiation are gamma rays and x-rays; energetic alpha rays (streams of helium nuclei) and beta rays (electrons) can also damage cells.
最具破坏力的辐射是伽马射线和X射线;能量强大的阿尔法射线(氦核能量流)和贝塔射线(电子流)也可以破坏细胞组织。
The Fermi Space Telescope found hints in 2009 of the telltale pattern associated with positrons in terrestrial gamma rays stemming from lightning storms.
费米太空望远镜在2009年就曾发现这一与正电子有关的特征现象的线索,地点正是在源于雷暴的地表伽马射线中。
Cell phones produce "non-ionizing" radiation, which, unlike X - or gamma rays, doesn't damage DNA by stripping away electrons from molecules in cell tissue.
手机产生“非电离”辐射,它不像X或伽马射线那样从细胞组织中的分子里分理出电子,从而破坏dna。
The supernova explosions that create and spread heavy elements also unleash a torrent of high-energy radiation: gamma rays, X-rays, and ultraviolet light.
创造并散播重元素的超新星爆发同样释放出一股高能辐射的激流:伽玛射线,X射线,紫外线。
Radiofrequency waves are electromagnetic fields, and unlike ionizing radiation such as X-rays or gamma rays, cannot break chemical bonds nor cause ionization in the human body.
射频波就是电磁场,但是与X射线或伽玛射线辐射等电离辐射不同的是,射频波不会打破化学键,也不会给人体造成电离辐射伤害。
When a piece of antimatter strikes the observatory and collides with "normal" matter, both particles immediately annihilate and are transformed into gamma rays - which Fermi can detect.
当一小块反物质击打天文台并与“正常”的物质相碰撞时,两个粒子都立即湮灭,并转变为伽马射线-费米就可以检测到它。
When a piece of antimatter strikes the observatory and collides with "normal" matter, both particles immediately annihilate and are transformed into gamma rays - which Fermi can detect.
当一小块反物质击打天文台并与“正常”的物质相碰撞时,两个粒子都立即湮灭,并转变为伽马射线-费米就可以检测到它。
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