V2EX outer solar system

Outer Solar System

释义 Definition

外太阳系:太阳系中距离太阳较远的区域,通常指小行星带以外的部分,主要包括木星、土星、天王星、海王星及其卫星、环系统,以及更外侧的柯伊伯带等。也常与“内太阳系(Inner Solar System)”相对。(在不同语境中边界可能略有差异。)

例句 Examples

The outer solar system is much colder than Earth.
外太阳系比地球要冷得多。

Because sunlight is weaker in the outer solar system, spacecraft often rely on other power sources to operate instruments for years.
由于外太阳系的阳光更弱,航天器常常依靠其他能源来让仪器连续运行多年。

发音 Pronunciation (IPA)

/atr solr sstm/

词源 Etymology

该短语由 outer(外部的)+ solar(太阳的)+ system(系统) 组合而成:

  • solar 来自拉丁语 sol(太阳);
  • system 来自希腊语 systēma(组合在一起的整体)。
    合起来字面意思是“太阳系的外部区域”,属于现代天文学中常见的描述性术语。

相关词 Related Words

文学与作品 Literary Works

  • Cosmos(Carl Sagan):以通俗科普方式多次讨论太阳系结构与外行星探索,常涉及“外太阳系”这一概念。
  • Pale Blue Dot(Carl Sagan):谈及深空探测与外行星任务背景时使用相关表述与概念。
  • The Voyager Missions(相关纪实/科普作品与任务资料汇编):在叙述旅行者号对木星、土星及更远处的探测时,频繁使用“outer solar system”这一术语。
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