Above the troposphere is the stratosphere , followed by the ionosphere and capped by the exosphere 在对流层上是平流层，接着是电离层，最上层是外逸层。
3.
The plasma affects the magnetic field , contributes to the “ space weathering ” of the planet ' s surface , and sputters material from the surface to populate the exosphere 等离子体影响磁场，有助于将"太空风化"的这个星球的表面上，并屡有起伏，从材料的表面，以填充exosphere 。
