关于这张图
ISS028-E-005392 (25 May 2011) --- A look into the helmet visor of this astronaut on a spacewalk reveals the easily recognizable smiling countenance of NASA astronaut Michael Fincke. During the STS-134 mission?s third spacewalk to perform work on the International Space Station, astronauts Fincke and Andrew Feustel (out of frame), both mission specialists, coordinated their shared activity with NASA astronaut Greg Chamitoff (out of frame), who stayed in communication with the pair and with Mission Control Center in Houston from the shirt sleeve environment inside the ISS.
