Public domain
Space Time Theories Confirmed
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
Clifford Will, Professor of Physics at Washington University in St. Louis, foreground, answers questions during a press conference, Wednesday, May 4, 2011, to discuss NASA's Gravity Probe B (GP-B) mission which has confirmed two key predictions derived from Albert Einstein's general theory of relativity, which the spacecraft was designed to test at NASA Headquarters in Washington.
NASA Image and Video Library’s own descriptionCredit lineSpace Time Theories Confirmed. NASA/HQ, 2011-05-04. Public domain. ID: 201105040009HQ.
