Glossary term: 紫外線（UV）
Description: 紫外線輻射，縮寫為“UV”，是由波長在10納米到380納米之間的基本波所組成的電磁輻射。這些波長介於X射線和可見光之間。來自天體的大部分紫外線輻射都會被地球大氣層吸收，因此紫外線天文學必然需要空間望遠鏡，如哈勃空間望遠鏡；或更專門的天文臺，如GALEX。紫外線輻射可用於研究熾熱、年輕的恆星，確定星際介質的化學成分，研究太陽活動和日冕，以及探索活動星系核的某些特性。
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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
This is an automated transliteration of the simplified Chinese translation of this term
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