与臭氧层类似，磁层对地球生物至关重要，绝大多数来自太阳的有害射线和热等离子体都被地球磁层折射回太空，从而使我们免受伤害。
Like the ozone layer, the magnetosphere is important to life on Earth because it protects us from most of the harmful radiation and hot plasma from the Sun, deflecting it into space.
那时，迅速膨胀的，热的和散发着辉光的雾气产生一层薄薄的利于声波产生的大气。
At the time, a rapidly expanding, hot, glowing fog produced a thin cosmic atmosphere conducive to sound waves.
更糟的是，金星大气是一层裹热毯，密度比地球大气高93倍，并且主要由二氧化碳和二氧化硫组成。
Making problems much worse for Venus, its atmosphere is a thermal quilt, 93 times denser than Earth's and made up mostly of carbon dioxide and sulfur dioxide.
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