The dayside has the most direct contact with the solar wind.

行星的光面(白昼侧)与太阳风有着最直接的接触。

The solar wind is a stream of electrically-charged particles.

太阳风是一束带电的粒子流。

Beyond that is the solar wind, an outflow of gas from the corona.

在这些之外还有太阳风——由日冕而来的气体流。

A magnetic space sail would also rely on the solar wind for momentum.

磁驱动空间帆同样依赖太阳帆产生动能。

When the solar wind smashes into the upper atmosphere, the particles are swept.

太阳风冲击高层大气时，风暴中的电粒子会与大气层的原子发生反应，地球磁场就把这些粒子卷入两极。