Description: 這個術語指的是電磁輻射的波長向較短波長移動的現象。"藍移”一詞中的“藍”字具有歷史意義，因為藍色位於可見光譜的短波長區域。波長的移動是由觀測者與發射電磁輻射的源之間的相對運動引起的。藍移是電磁輻射中與聲音的多普勒效應對應的現象。需要注意的是，我們是通過比較物體的譜線與實驗室中靜止元素譜線，來測量電磁輻射波長的移動（藍移或紅移）。藍移（和紅移）與我們在夜空中觀測到的恆星的看到的顏色無關。

Related Terms:

• 多普勒效應
• 電磁輻射
• 波長
• 紅移

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

This is an automated transliteration of the simplified Chinese translation of this term

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