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谜团破解了：地球的神秘红光 - 佐伊·皮埃瑞特
640,131 views |
佐伊·皮埃瑞特 |
TED-Ed
• September 2021
Read transcript
2009年，一颗环绕地球的人造卫星有条不紊地扫描并分类从地球表面反射的波长。在研究人员正在寻找而二氧化碳的光谱特征时，他们发现了一个令人疑惑的东西：一道来历不明，令人意外的波长。研究人员试着只用这道波长观察地球，结果他们看见地球被不同程度的红色所覆盖。所以这到底是怎么一回事呢？佐伊·皮埃瑞特带你探索叶绿素荧光背后的科学。
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trees
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