As the neutron star spins, jets of particles stream out from the poles at almost the speed of light.

当中子星高速旋转时，接近光速的粒子束会从两极不断涌出。

So from a single primary cosmic ray, comes a shower of particles streaming towards the earth.

因此，从一条原始宇宙射线中， 会形成一连串粒子流， 流向地球。