TED-Ed
Earth's mysterious red glow, explained - Zoe Pierrat
2021 E96 Sep 13, 2021 4m
In 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. So, what was going on? Zoe Pierrat explores the science of chlorophyll fluorescence.
Lesson by Zoe Pierrat, directed by Denis Chapon, The Animation Workshop.
Lesson by Zoe Pierrat, directed by Denis Chapon, The Animation Workshop.
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