Glossary term: 蓝移
Description: 这个术语指的是电磁辐射的波长向较短波长移动的现象。"蓝移”一词中的“蓝”字具有历史意义，因为蓝色位于可见光谱的短波长区域。波长的移动是由观测者与发射电磁辐射的源之间的相对运动引起的。蓝移是电磁辐射中与声音的多普勒效应对应的现象。需要注意的是，我们是通过比较物体的谱线与实验室中静止元素谱线，来测量电磁辐射波长的移动（蓝移或红移）。蓝移（和红移）与我们在夜空中观测到的恒星的看到的颜色无关。
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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".
