V2EX kardashev scale

Kardashev Scale

定义 Definition

卡尔达舍夫尺度:一种用来衡量文明技术发展水平的分类体系,主要依据文明可利用的能量规模来划分等级。最常见的分级是:

  • I型文明:能利用其母星全部可用能量(接近行星级)。
  • II型文明:能利用其恒星的全部能量(恒星级,常以“戴森球/戴森群”设想类比)。
  • III型文明:能利用其所在星系的能量(星系级)。
    (也有人扩展到IV型、V型等,但并非原始定义的核心。)

发音 Pronunciation (IPA)

/krdv skel/

例句 Examples

The Kardashev scale ranks civilizations by their energy use.
卡尔达舍夫尺度按文明的能量使用规模对其进行分级。

Some researchers argue that moving up the Kardashev scale would require breakthroughs in energy capture, storage, and long-term planetary management.
一些研究者认为,要在卡尔达舍夫尺度上“升级”,需要在能量获取、储存以及长期行星治理方面实现突破。

词源 Etymology

“Kardashev scale”得名于苏联天文学家尼古拉卡尔达舍夫(Nikolai Kardashv)。他在1964年讨论寻找地外文明(SETI)时提出用“可支配能量”作为衡量文明先进程度的指标,因此形成了这一“尺度/分级体系”(scale)。

相关词 Related Words

文学与作品 Literary Works

  • Carl Sagan《Cosmos》:在讨论宇宙中的生命与文明前景时提及并推广了卡尔达舍夫分级思想。
  • Michio Kaku《Physics of the Future》:用卡尔达舍夫尺度框架讨论人类未来可能达到的文明层级。
  • Michio Kaku《The Future of Humanity》:在谈及太空殖民与长远技术路线时引用该尺度作为宏观参照。
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