Space

Satellites reveal a new view of Earth’s water from space

The sun reflects off the water in this picture taken by German astronaut Alexander Gerst from the International Space Station and sent on his Twitter feed July 17, 2014.   REUTERS/Alexander Gerst/NASA/Handout via Reuters (OUTER SPACE - Tags: SCIENCE TECHNOLOGY ENVIRONMENT TPX IMAGES OF THE DAY) ATTENTION EDITORS ? THIS PICTURE WAS PROVIDED BY A THIRD PARTY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS - GM1EA7H1Q5F01

Measurement from space gives a surprisingly detailed view of what is happening in Earth's water cycle. Image: REUTERS/Alexander Gerst/NASA

Tamlin M. Pavelsky
Associate Professor of Global Hydrology, University of North Carolina at Chapel Hill
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