• Released Thursday, January 9, 2014
  • Updated Thursday, December 3, 2015 at 12:35PM
  • ID: 11420

No description available.

Scientists map the light emitted by Earth’s land plants.

Darker green indicates regions with little or no fluorescence; lighter green and white indicates regions of high fluorescence.

No description available.

The northward march of fluorescence during spring in the northern hemisphere reflects thriving vegetation.

No description available.

Fluorescence peaks during summer in the northern hemisphere.

No description available.

By fall in the northern hemisphere, fewer hours of sunlight slows photosynthesis and fluorescence wanes.

No description available.

Photosynthesis—and thus fluorescence—is minimal during winter in the northern hemisphere.


Please give credit for this item to:
NASA's Goddard Space Flight Center

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