V2EX mesosphere

Mesosphere

定义 Definition

mesosphere 是一个地球科学术语,指中间层,即地球大气层中位于平流层(stratosphere)之上、热层(thermosphere)之下的一层,大约在海拔50至85公里之间。这是大气层中温度最低的区域,温度可降至约 -90°C。

发音 Pronunciation

/mz..sfr/

例句 Examples

The mesosphere is the coldest layer of the Earth's atmosphere.
中间层是地球大气层中最寒冷的一层。

When meteors enter the Earth's atmosphere, most of them burn up in the mesosphere before they can reach the ground, creating the bright streaks we call shooting stars.
当流星进入地球大气层时,大多数会在中间层燃烧殆尽,无法到达地面,形成我们所说的"流星"亮光。

词源 Etymology

该词源自希腊语。meso- 来自希腊语 mesos,意为"中间的";**-sphere** 来自希腊语 sphaira,意为"球体"。合在一起即"中间的球层",因为它位于大气层的中间位置平流层之上、热层之下。该词于20世纪中期随着大气科学的发展而被正式使用。

相关词汇 Related Words

文学与学术引用 Literary References

  • 在科普经典著作《Cosmos》(卡尔萨根著)中,讨论地球大气层结构时提及了 mesosphere 的特性。
  • 在《Introduction to the Atmosphere》等大气科学教材中,mesosphere 是核心概念之一,用于解释大气层的垂直分层结构。
  • 在阿瑟C克拉克(Arthur C. Clarke)的科幻作品中,角色穿越大气层时常涉及对 mesosphere 等大气层级的描写。
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