Glossary term: 紅外天文學
Description: 紅外天文學是觀測紅外光的天文學分支。與可見光觀測相比，紅外天文學對溫度較低的天體更為敏感，也可以觀測到紅移較大的遙遠星系。紅外觀測受星際消光的影響較小，因此可以看到深空的星際氣體雲和塵埃雲。
地球大氣層中的分子會吸收大量來自太空的紅外光，因此地面上的紅外天文觀測主要是在吸收率較低的波長範圍內進行。地球及其大氣層都會輻射紅外線，因此需要特殊的技術來消除這種本底輻射。對於波長較長的紅外輻射，這種本底輻射加上大氣吸收使得地面觀測幾乎不可能。因此，許多紅外觀測都是利用太空望遠鏡進行的。不過，對於波長最長的紅外線，可以在非常乾燥的地方進行地面觀測。這通常被稱為亞毫米波天文學。
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See this term in other languages
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
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".
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In Other Languages
- 阿拉伯語: علم فلك الأشعة تحت الحمراء
- 德語: Infrarotastronomie
- 英語: Infrared Astronomy
- 法語: Astronomie infrarouge
- 義大利語: Astronomia all'infrarosso
- 尼泊爾語: इन्फ्रारेड खगोल विज्ञान
- 簡體中文: 红外天文学
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