Instead, the solar wind and the sun’s UV radiation give an electric charge to atoms and particles in Mars outer atmosphere.

相反，太阳风与太阳的紫外线辐射给予火星大气外侧的原子和粒子一个电荷。

Nasa is aiming to get closer to the Sun than ever before, with plans to plunge a car-sized unmanned spacecraft into the star's outer atmosphere.

美国太空总署（NASA）计划发射一个汽车大小的无人探测器进入太阳的外层大气，以前所未有的近距离接近太阳。