Saturn may produce the greatest number of antiprotons because of interactions between cosmic rays—energetic charged particles from space—and the planet's icy rings.

由于宇宙射线（来自太空的高能带电粒子）和土星冰冷的光环之间进行相互作用，土星上产生的反质子数量可能最多。

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Why wait for elusive cosmic particles to arrive from space when you can order them on demand?

既然我们能根据需要来控制那些难以捉摸的宇宙粒子，又何必干等着它们从外太空到达地球呢？

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Cosmic rays are highly energetic particles that buzz around in space.

宇宙射线是太空中的高能粒子。

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Theory predicts that when cosmic rays (fast particles coming from outer space) collide with air molecules in the upper atmosphere, they should yield twice as many muon neutrinos as electron neutrinos.

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And when the solar wind is stronger, it is better at shielding the earth from high-energy charged particles from outer space known as cosmic rays.

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It will examine neutrons (the electrically neutral components of atomic nuclei) that are ejected from the lunar surface after being bombarded by cosmic rays (energetic particles that constantly streak through space).

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