Astronaut self portrait
Discovery heat shield repair
Discovery heat shield tiles
Return to Flight spacewalk
ISS astronaut
ISS astronauts
ISS space walk
Astronaut performing a spacewalk
STS-109 spacewalk, March 2002
Astronauts spacewalking off the ISS
STS-121 spacewalk, July 2006
Mission STS-133 space walk
Discovery docking with ISS, STS-114
ISS space walk, July 2006
International Space Station construction
ISS construction, August 2007
ISS construction, July 2007
Astronaut self portrait, 2008
Astronaut Dale A. Gardner
Spacewalk
ISS space walk, 2008
Space Shuttle Endeavour damage
ISS construction
ISS construction, February 2007
Space walk
ISS astronaut Pavel Vinogradov
ISS astronaut Jeffrey Williams
Space shuttle and ISS
Astronauts performing spacewalk
Astronaut training
Discovery docked to the ISS, STS-114
ISS space walk, June 2006
International Space Station, 2012
Soviet space-walk, artwork
Spacewalk, Joseph R. Tanner, STS-82
Space shuttle astronaut
Astronaut Mike Massimino
International Space Station, 2011
Space Shuttle preparation
Astronaut in the ISS
Space Shuttle final flight
ISS space walk, 2010
ISS space walk, 2011
First space walk, artwork
International Space Station astronaut
ISS spacewalk, February 2007
Astronaut Fuglesang performing spacewalk
ESA astronaut during ISS spacewalk
First spacewalk by an ESA astronaut, 1995
Space Shuttle Atlantis docked on the ISS
Astronaut on Space Shuttle Discovery
Manned maneuvering unit space walk, 1984
Astronaut during spacewalk
Space shuttle tile repair training
ESA astronaut during an ISS spacewalk
Space walk on the ISS
SAFER backpack test
Astronaut in ISS airlock
Astronauts recovering satellites
Robonaut 2 and astronaut
ISS space walk, August 2006
100th ISS spacewalk, December 2007
Preparing Return to Flight" mission"
Failed Return to Flight" launch"
ISS solar array repair
Astronaut Curbeam performing spacewalk
NASA astronaut during a spacewalk
International Space Station, 2002
First spacewalk, 1965
Skylab space station space-walk
Crew training for STS-116 shuttle mission
Aboard the International Space Station
Satellites orbiting Earth, illustration
ISS Columbus module model
Shuttle astronaut combing her hair, STS-118
Lost ISS tool bag, astronaut photograph
Michael Foale, British astronaut
International Space Station, 2000
International Space Station, August 2007
Spacewalk training
ISS astronauts eating
Astronauts sleeping on the ISS
Space Shuttle ISS manoeuvres
Sunburst
International Space Station
Space Shuttle Discovery
International Space Station solar panels
Space shuttle over Earth's horizon
Sleeping on International Space Station
ISS robotic arm
Astronaut entering Mir space station
Astronaut during a spacewalk
ISS and Space Shuttle
NASA astronaut practising spacewalk using virtual reality
Space shuttle Atlantis
Space Shuttle Endeavour in orbit, STS-118
Discovery departing the ISS, STS-133
ISS repair spacewalk, January 2008
Astronaut Thomas Pesquet installing solar arrays on the ISS
Challenger space shuttle
Russian cosmonaut during a spacewalk
Mir Space Station
Astronaut Fuglesang after spacewalk
Hubble servicing
Return to Flight shuttle launch
First American space walk
Atlantis (STS-122) space shuttle payload
Astronaut and ISS supplies
Astronaut Thomas Pesquet during a spacewalk
Space Shuttle Endeavour and ISS, August 2007
Astronaut photographing aboard the ISS