V2EX trans-neptunian

Trans-Neptunian

释义 Definition

trans-Neptunian(形容词/名词)指“海王星轨道之外的;位于海王星以外的(天体)”。常用于天文学中,尤其指海王星外天体(trans-Neptunian objects, TNOs),如柯伊伯带与散射盘中的小天体(包括冥王星等)。

发音 Pronunciation (IPA)

/trnz nptjunin/(英式常见)
/trnz nptunin/(美式常见)

例句 Examples

Trans-Neptunian objects orbit far beyond Neptune.
海王星外天体在海王星之外遥远的区域绕日运行。

The discovery of a trans-Neptunian dwarf planet helped astronomers refine models of how the outer Solar System formed and migrated over time.
一颗海王星外矮行星的发现帮助天文学家改进模型,以解释外太阳系如何形成并在长期尺度上发生轨道迁移。

词源 Etymology

trans-(拉丁语前缀,意为“越过、在……之外”)+ Neptunian(“海王星的”,源自罗马海神 Neptune 的名字,用于命名行星 Neptune)构成,字面意思即“越过海王星的”。

相关词 Related Words

文学与著作中的用例 Literary & Notable Works

  • The Pluto Files(Neil deGrasse Tyson):讨论冥王星及其作为海王星外天体背景下的科学与文化争议。
  • Solar System Dynamics(Carl D. Murray & Stanley F. Dermott):在太阳系动力学语境中涉及外太阳系与相关小天体(含海王星外区域)。
  • The New Solar System(多作者科普/综述类作品):常在章节中介绍柯伊伯带与海王星外天体的发现与分类。
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