PODEX Experiment to Reshape Future of Atmospheric Science

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Satellite Earth science missions don't start at the launch pad or even in orbit. They start years before when scientists test their new ideas for instruments that promise to expand our view and understanding of the planet. NASA scientists and engineers are working now to lay the groundwork for the Aerosol-Cloud-Ecosystem (ACE) mission, a satellite that "will dramatically change what we can do from space to learn about clouds and aerosols," said ACE science lead David Starr of NASA's Goddard Space Flight Center in Greenbelt, Md.

http://www.nasa.gov/topics/earth/features/qa-starr.html