Glossary term: 紅外線（IR）
Description: 紅外線是一種電磁輻射，波長比可見光長，但比微波和無線電波短。紅外線的波長在700納米到1毫米之間，而可見光的波長在400納米到700納米之間。因此，紅外線無法通過肉眼看到，只有通過特殊的照相機才能看到。溫度在幾十開爾文到幾千開爾文之間的熱體，如太空中的分子雲、人體或褐矮星，其電磁輻射的峰值落在紅外線區段內。
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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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