Glossary term: 消光
Description: 星光在到達我們的過程中強度減弱，這一現象稱為消光。這種減弱是由於光在傳播過程中被粒子吸收和散射造成的。消光可能來自地球大氣層（稱為大氣消光）、恆星附近的物質（稱為星週消光）或恆星之間的物質（稱為星際消光）。大氣消光主要是地球大氣中存在的氣溶膠和分子，如水、二氧化碳和臭氧，在光學和近紅外波段的影響。星際消光則歸因於氣體和亞微米級塵埃粒子組成的星際物質。與氣體微粒相比，星際塵埃對星光的影響更大。消光通常在較短波長下更強，反之亦然，這使得天體看起來比其真實顏色更紅（紅化）。
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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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