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风暴行星通常也是属于类地行星的范畴，但是乍看上去它们还更像气体行星一些，这都是因为他们稠密的高压大气层所致。不过从地貌学上来说，两者之间的差异是非常明显的：相较于一个气体星球来说，风暴行星的大气稀薄得多，所含的主要化学成份也更加复杂，并且整个星体的大部分质量都来自其岩石球体。之所以称之为风暴行星，是因为在这类星体上层大气中无序的闪电与大规模的雷暴，范围可达整个大陆。

Storm worlds are usually considered terrestrial planets, although to a casual eye they may appear more similar to gas planets, given their opaque, high-pressure atmospheres. Geomorphically, however, the distinctions are clear: compared to a gas world, the atmosphere of a storm world is usually considerably shallower, and generally composed primarily of more complex chemicals, while the majority of the planet's mass is a rocky terrestrial ball. Their name is derived from the continent-scale electrical storms that invariably flash through their upper atmospheres.