描述: 轴是一个可以用来定义坐标系的假想线。旋转轴是一个物体绕其旋转的假想线。这一假想线可以是一个系统（如星系）的旋转轴，也可以是一个固体（如小行星）的旋转轴。

相关词条

• 地轴
• 自转
• 进动

词条和定义状态： 该术语的英文原始定义已通过天文研究人员和教师的审核
该术语及其定义的译文仍待审核

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".

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