NASA ScienceCasts: Shining Laser Light on Earth’s Forests

The Global Ecosystem Dynamics Investigation (GEDI) on the space station beams laser light down to Earth to reveal the height and density of trees and vegetation. NASA Science: http://science.nasa.gov/ Click here to see more videos: https://alugha.com/NASA

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ScienceCasts: Amazing Sunset Sky Show

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ScienceCasts: Predicting Floods

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