Earth-Imaging Yields Hi-Res Look at Ecosystems

The U.S. space agency is adapting tools it has used to learn about water on the moon, minerals on Mars and the composition of exoplanets to analyze ecosystems on planet Earth. NASA this week finished a month of preliminary high-altitude tests of a new Earth-imaging instrument package, which the agency plans to launch into orbit.
The instruments have been flying on NASA’s ER-2, an aircraft that skirts the edge of space at an altitude of 20,000 meters, nearly two times the cruising …

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