70th International Astronautical Congress

Jean-Yves Le Gall, president of the French space agency, National Centre for Space Studies (CNES), tries virtual reality viewers at the NASA exhibit during the 70th International Astronautical Congress, Wednesday, Oct. 23, 2019, at the Walter E. Washington Convention Center in Washington. Photo credit: (NASA/Aubrey Gemignani)

Jean-Yves Le Gall, president of the French space agency, National Centre for Space Studies (CNES), tries virtual reality viewers at the NASA exhibit during the 70th International Astronautical Congress, Wednesday, Oct. 23, 2019, at the Walter E. Washington Convention Center in Washington. Photo credit: (NASA/Aubrey Gemignani)