Because cosmic rays are charged, their inbound trajectory should be jumbled by the Milky Way's magnetic field, so any hot spot on the cosmic ray map demands an explanation.

他是该项目的主要调查员。 因为宇宙线是带电的，它们回溯发射源的轨迹会被银河的磁场破坏，所以宇宙射线图像上任何一个热点都需要一个解释。

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The magnetic field associated with these particles helps protect the Earth from cosmic rays by deflecting them from the planet.

地磁场同这些粒子相结合令宇宙射线发生弯曲，从而帮助地球避开来访的宇宙射线。

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The satellite also found local magnetic fields, indicating that Mars once had a global magnetic field like Earth's, shielding it from cosmic ray.

卫星同样发现了火星的磁极，表明火星曾经有一个像地球一样的磁场，来屏蔽宇宙射线的影响。

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The magnetic field associated with these particles helps protect the Earth from cosmic rays by deflecting them from the planet.

ECONOMIST: Climate change: Bubbling up | The

Another possibility would be to figure out how to generate a magnetic field around the spacecraft that mimics the one that protects Earth from the worst cosmic radiation.

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The research could help test simulations of how the outer, fluid core generates the Earth's magnetic field, which shields our planet and the teeming life on it from harmful cosmic rays.

BBC: NEWS | Science/Nature | Earth's core runs ahead of crust