地磁活动是地球磁场的自然变化，其波动周期为11年。
Geomagnetic activity, the natural variations in Earth's magnetic field, it fluctuates in 11-year cycles.
地球磁场是由地球外核的熔铁围绕固体内核旋转而产生的；当铁水激增，就会发生磁暴。
The Earth's magnetic field is generated as the molten iron of the Earth's outer core revolves around its solid inner core; when surges in the molten iron occur, magnetic tempests are created.
地球磁场由地球外核中的电流产生。
The Earth's magnetic field is generated by currents flowing in Earth's outer core.
鸟、乌龟甚至细菌都是通过地球磁场线来定位的。
Birds, turtles and even bacteria Orient to the earth's magnetic field lines.
这些电子有着自旋特性，可能对地球磁场具有敏感性。
These electrons have a property called spin which may be sensitive to Earth's magnetic field.
另外，这进一步证明鲨鱼可能利用地球磁场来进行导航。
In addition, it is further evidence that the great fish can navigate, possibly using the Earth's magnetic field.
磁星是一类磁场比地球磁场强千亿倍的中子星。
Magnetars are a type of neutron star which has a magnetic field a million billion times stronger than the Earth's.
在地球，原子内粒子在地球磁场的作用下呈流状分布在两极。
As on Earth, the particles are channelled to the poles by the planet's magnetic field.
鸟类、海龟通过感知地球磁场，能够迁移数千英里。
Birds and sea turtles can migrate thousands of miles, by reading the Earth's magnetic cues.
例如，蜂巢总是和地球磁场在一条线上，尽管没人知道为什么。
For example, the honeycomb is somehow aligned to the earth's magnetic field, though no one quite knows why.
电和磁场系由诸如地球磁场、雷暴和使用电等现象产生。
Electric and magnetic fields are generated by phenomena such as the Earth's magnetic field, thunderstorms, and the use of electricity.
新的研究显示，地球磁场存在的迹象能够再回推大约2.5亿年。
Evidence for the existence of Earth's magnetic field has been pushed back about 250 million years, new research suggests.
耀斑的爆发将产生大量的粒子，粒子流将挟带大量能量轰击地球磁场。
Solar flares send out bursts of electromagnetic energy that strike the Earth's magnetic field.
我们还打算使用小型磁铁通过磁铁与地球磁场的相互作用来控制风帆。
We're also going to be using small magnets to control the sail because they will interact with the Earth's magnetic field.
只要地球磁场还正确对齐，它就会解决您可能遇到的所有Perl问题。
As long as the Earth's magnetic field is aligned correctly, this will solve every Perl problem you may encounter.
地球内部的熔铁围绕其核心的超高温固体铁核流动，由此产生了地球磁场。
The planet's magnetic field is generated by the motion of molten iron flowing around a superhot, solid iron core.
橙色和蓝色的线条分别表示地球磁场中南极、北极两种相反磁性的磁力线。
The orange and blue lines depict the opposite north and south polarity of Earth's field lines.
地球物理学家很早就知道，地球磁场变化的原因深藏于地球中心。
Geophysicists have long known that the source of the fluctuating magnetic field lies deep in the center of the earth.
太阳粒子同地球磁场的这种交互作用极有可能引起磁暴或者扰乱地球的磁场。
The interaction of the solar particles with our planet's magnetic field has the potential to create geomagnetic storms, or disturbances in Earth's magnetosphere.
其他的版本还有名为Nibiru的行星撞向我们或者地球磁场翻转等灾难。
In other variations, a planet named Nibiru crashes into us or the Earth's magnetic field flips.
地球外核最深区域呈阶段性快慢流动，这一行动“拽动”了地球磁场，吉莱说。
The innermost region of the Earth's outer core periodically flows faster or slower, and this action "tugs" at the planet's magnetic field, says Gillet.
研究者认为红海龟结合地球磁场的方向和强度两种信息来确定路线图。
The researchers believe that the loggerheads create their mental magnetic map by combining information about the angle of the magnetic field with its intensity.
至此，离子通向太空的单程旅行前的最后一步开始了，这就是沿着地球磁场自由航行。
This is when the last stage of their one-way trip into space begins: sailing along the magnetic field of the Earth.
两点问题：太阳的微波辐射强度非常弱；更关键的是，影响微波辐射的并不是地球磁场！
Two problems: The sun is a very weak emitter of microwaves, and worse, microwaves are not affected by magnetic fields!
一些焦虑者声称这些管状的的海啸会快速蔓延开，多亏了地球磁场的加速移动才避免如此。
Some worriers say that these tubocharged tsunamis will soon be widespread, thanks to the increased movement of the Earth's magnetic field.
科学家们相信，这类太阳活动与地球磁场和高空大气层产生反应，对地球天气起着重要作用。
Scientists know that such solar activity plays a significant role on the weather we experience on Earth by interacting with our planet's magnetic fields and upper atmosphere.
带电粒子与地球磁场相互作用产生了强烈而绮丽的极光，但是它们也有可能是具有破坏性的。
The charged particles interacting with Earth’s magnetic field generate intense and beautiful aurora, but they can also be destructive.
带电粒子与地球磁场相互作用产生了强烈而绮丽的极光，但是它们也有可能是具有破坏性的。
The charged particles interacting with Earth's magnetic field generate intense and beautiful aurora, but they can also be destructive.
极光是太阳风与地球磁场相互作用产生的，在两极磁场最强烈的地方，极光很常见。
Aurorae are caused by the interaction of the solar wind with Earth's magnetic field and so are particularly prevalent at the poles where the magnetic forces are strongest.
但是一些天文学家一直怀疑，那些剩下的反质子一定被地球磁场捕获，形成一条反质子辐射带。
But some astronomers always suspected that the remaining antiprotons must become trapped by the Earth's magnetic field, forming an antiproton radiation belt.
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