Last is the exosphere, which is the outermost layer of the atmosphere.
最后是散逸层,这是大气的最外层。
Last is the exosphere, which is the outermost layer of the atmosphere.
最后是散逸层,这是大气的最外层。
Europa, Ganymede, and Callisto all provide evidence of a thin atmospheric layer known as a 'surface-bound exosphere'.
木卫二、木卫三、木卫四都了有一层很薄的大气层。
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