Glossary term: 矮行星
Description: 矮行星是一种天体，具备以下特征：它围绕太阳运行，质量足够大，形成近似球形，但没有清除其轨道附近的其他物体，并且不是卫星。矮行星通常在类似天体密集的区域运行，例如小行星带和柯伊伯带。一般来说，矮行星比水星小，具有冰和岩石构成的结构。它们内部冰的含量与岩石的比例取决于它们在太阳系中的位置。冥王星是最著名的矮行星。需要注意的是，矮行星这个术语与已废弃的“微型行星”不应混淆。
Related Terms:
See this term in other languages
Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher The translation of this term and its definition is still awaiting approval
The OAE Multilingual Glossary is a project of the IAU Office of Astronomy for Education (OAE) in collaboration with the IAU Office of Astronomy Outreach (OAO). The terms and definitions were chosen, written and reviewed by a collective effort from the OAE, the OAE Centers and Nodes, the OAE National Astronomy Education Coordinators (NAECs) and other volunteers. You can find a full list of credits here. All glossary terms and their definitions are released under a Creative Commons CC BY-4.0 license and should be credited to "IAU OAE".
Related Media
Pluto
Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute credit link
License: PD Public Domain icons
谷神星
Credit: NASA / JPL-Caltech / UCLA / MPS / DLR / IDA / Justin Cowart
License: CC-BY-2.0 Creative Commons Attribution 2.0 Generic icons
