Description: 溫室效應是指由於諸如水蒸氣、甲烷和二氧化碳等氣體的排放，使大氣變暖的現象。來自太陽的可見光到達行星表面後，以紅外輻射的形式重新發射出去。溫室氣體將這些紅外輻射困在大氣中，無法逃逸到外太空，這使得行星比沒有這些氣體時溫度更高。如果沒有溫室效應，地球的溫度將比現在低幾十攝氏度，遠低於0攝氏度。然而，溫室效應所導致的平衡溫度對大氣中溫室氣體的濃度非常敏感。

自19世紀工業革命以來，人類排放的溫室氣體導致了地球上的全球變暖，這是溫室效應的結果。

在某些情況下，這種升溫會導致大氣中產生更多的溫室氣體，從而引發失控的溫室效應。這種現象已經在金星的大氣中發生。

Related Terms:

• 全球氣候變暖
• 紅外線（IR）
• Molecule
• 金星
• Visible Spectrum

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".