V2EX dyson swarm

Dyson Swarm

Definition / 释义

戴森群(Dyson Swarm):一种假想的巨型工程结构,指大量独立的卫星、太阳能收集器或居住站在恒星周围以不同轨道运行,形成“群集”式分布,用于高效获取恒星能量(并可能用于计算、居住等)。常与“戴森球”概念相关,但戴森群强调由许多分散单元组成,而非连续的“壳”。

Pronunciation / 发音

/dasn swrm/

Examples / 例句

A Dyson swarm would capture a lot of a star’s energy.
戴森群可以捕获恒星的大量能量。

In hard science fiction, a Dyson swarm is often described as millions of solar collectors in independent orbits, gradually built over centuries as a civilization’s energy needs grow.
在硬科幻中,戴森群常被描述为数百万个太阳能收集器在各自独立的轨道上运行,并随着文明能源需求的增长,在数百年间逐步建成。

Etymology / 词源

“Dyson”来自物理学家弗里曼戴森(Freeman Dyson),他在1960年的论文中提出通过寻找恒星的异常红外辐射来推测高度文明可能建造了环绕恒星的能量采集结构;“swarm(蜂群)”在此是比喻,强调它不是一体化的壳,而是许多独立装置像蜂群一样分布。该词也常被视作“Dyson sphere(戴森球)”概念的更可行工程版本之一。

Related Words / 相关词

Literary Works / 文学与作品

  • Freeman Dyson, “Search for Artificial Stellar Sources of Infrared Radiation” (1960)(提出相关设想的经典科学论文,常被视为“戴森结构”概念源头)
  • Charles Stross, Accelerando(《加速》;作品中涉及以恒星能量采集与轨道巨构为代表的后人类工程设想,常与“戴森群/戴森结构”语境相连)
  • Ray Kurzweil, The Singularity Is Near(《奇点临近》;讨论超大规模计算与能源需求时,常提及戴森式恒星能量采集构想)
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