Ellen Stofan, NASA chief scientist, far right, speaks during a panel discussion at the "Solar System and Beyond: NASA's Search for Water and Habitable Planets" event on Tuesday, April 7, 2015 at NASA Headquarters in Washington, DC. Stofan and fellow panelists John Grunsfeld, associate administrator for the Science Mission Directorate at NASA Headquarters, James Green, director of Planetary Science at NASA Headquarters, Jeffrey Newmark, interim director of Heliophysics at NASA Headquarters, and Paul Hertz, director of Astrophysics at NASA Headquarters, discussed the recent discoveries

---

Size: 5760px × 3706px
Photo credit: © NG Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: brown, dc, dwayne, ellen, green, grunsfeld, headquarters, hertz, james, jeffrey, joel, john, kowsky, launch, nasa, newmark, paul, rocket, solar, space, stofan, system, usa, washington