Stephen Hawking NASA 50th (200804210002HQ)

---

Size: 1383px × 1446px
Photo credit: © NG Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., .., 50th, 50thanniversary, alers, anniversary, astronomy, dr., drstephenhawking, exploration, hawking, lecture, lectureseries, nasa, paul, paulealers, science, series, space, stephen, washington, washingtondc