Ellen Stofan (NASA)

NASA/Joel Kowsky
April 5, 2018
Media Photo/Video

Photos for News Media Use Only

Stofan on stage
NASA/Joel Kowsky

Ellen Stofan, NASA's Chief Scientist, speaks at NASA's Earth Day event, Friday, April 22, 2016 at Union Station in Washington, DC. 

Photo Credit: (NASA/Joel Kowsky)

 

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