NASA Chief Scientist Jim Green speaks about NASA Science under the National Space Exploration Campaign during a keynote at the 70th International Astronautical Congress, Monday, Oct. 21, 2019 at the Walter E. Washington Convention Center in Washington. Photo Credit: (NASA/Joel Kowsky)
Photographer NASA/Joel Kowsky
Album 201910_IAC
Location Walter E. Washington Convention
Date October 21, 2019