Description: 温室效应是指由于诸如水蒸气、甲烷和二氧化碳等气体的排放，使大气变暖的现象。来自太阳的可见光到达行星表面后，以红外辐射的形式重新发射出去。温室气体将这些红外辐射困在大气中，无法逃逸到外太空，这使得行星比没有这些气体时温度更高。如果没有温室效应，地球的温度将比现在低几十摄氏度，远低于0摄氏度。然而，温室效应所导致的平衡温度对大气中温室气体的浓度非常敏感。

自19世纪工业革命以来，人类排放的温室气体导致了地球上的全球变暖，这是温室效应的结果。

在某些情况下，这种升温会导致大气中产生更多的温室气体，从而引发失控的温室效应。这种现象已经在金星的大气中发生。

Related Terms:

• 全球气候变暖
• 红外线（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

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