Earth’s mysterious red glow, 解釋 – 佐伊·皮埃拉特

探索葉綠素熒光的現象和用途, 植物在光合作用過程中發出的少量光.

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在 2009, a satellite circled Earth, scanning and sorting the wavelengths reflecting off the planet’s surface. Researchers noticed something baffling: an unexpected wavelength of unknown origin. They tried looking at Earth with only this wavelength, and saw the planet covered in a red hue of varying intensity. 所以, what was going on? Zoe Pierrat explores the science of chlorophyll fluorescence.

Lesson by Zoe Pierrat, directed by Denis Chapon, The Animation Workshop.

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