V2EX habitable zone

Habitable Zone

Definition / 定义

habitable zone宜居带(也称“生命带”),指在恒星周围、温度条件可能允许行星表面存在液态水的轨道范围,因此被认为更可能具备生命生存的基本环境。该术语也可用于讨论系外行星与潜在宜居性(但是否真正宜居还取决于大气、磁场、地质活动等因素)。

Pronunciation / 发音

/hbtbl zon/

Examples / 例句

The planet lies in the star’s habitable zone.
这颗行星位于其恒星的宜居带内。

Although the exoplanet is in the habitable zone, its thick atmosphere may make the surface too hot for liquid water.
尽管这颗系外行星处在宜居带中,但它浓厚的大气层可能会让表面过热,从而不利于液态水存在。

Etymology / 词源

habitable 来自拉丁语词根 habitāre(居住、栖居),经由法语进入英语,意为“适合居住的”。zone 源自希腊语 zōnē(腰带、带状区域)。合在一起,字面意思是“适合居住的带状区域”,在现代天文学语境中特指恒星周围可能适合生命的轨道范围。

Related Words / 相关词

Literary Works / 文学作品

  • **Rare Earth: Why Complex Life Is Uncommon in the Universe**(Peter D. Ward & Donald Brownlee)讨论宜居带等影响复杂生命出现的条件。
  • **The Planet Factory: Exoplanets and the Search for a Second Earth**(Elizabeth Tasker)涉及系外行星、宜居带与“第二个地球”的搜寻。
  • **The Life of the Cosmos**(Lee Smolin)在宇宙与生命条件的讨论中提及行星宜居性与相关概念。
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