V2EX sublight

Sublight

定义 Definition

sublight(形容词/名词,科幻语境常见):指低于光速的;也可指亚光速航行/推进(不超过光速的飞行方式),通常与超光速(FTL)相对。

发音 Pronunciation

/sblat/

例句 Examples

The probe will travel at sublight speed to the nearest star.
探测器将以亚光速飞向最近的恒星。

Because sublight journeys can take years, the crew entered cryosleep to conserve supplies.
由于亚光速航行可能持续数年,船员进入冷冻睡眠以节省补给。

词源 Etymology

由前缀 **sub-**(“在……之下、低于”)+ light(“光”)构成,字面意思是“低于光的(速度)”。该词多用于现代科幻与航天设定中,用来强调遵守相对论限制的“非超光速”飞行。

相关词 Related Words

文学作品 Literary Works

  • Leviathan Wakes(James S. A. Corey,《苍穹浩瀚》系列之一):常见“sublight drives/flight”等表述,用于与其他推进或航行阶段对比。
  • Revelation Space(Alastair Reynolds,《启示空间》):涉及接近光速但仍属亚光速的星际航行设定。
  • The Forever War(Joe Haldeman,《永远的战争》):讨论相对论效应与近光速/亚光速旅行带来的时间差。
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