Timothy Peake, astronaut training, 2010
Astronaut reflection
Astronaut Mike Massimino
Hubble servicing
ISS space walk, 2010
ESA astronaut during ISS spacewalk
Discovery heat shield tiles
Return to Flight spacewalk
Discovery heat shield repair
ISS space walk, June 2006
ISS spacewalk, February 2007
Spacewalk training
ISS astronaut Jeffrey Williams
ISS astronaut
Space walk
ISS astronaut Pavel Vinogradov
ISS space walk, 2011
First American space walk
ISS construction
ISS space walk
Timothy Peake, astronaut training, 2012
Spacewalk
Astronaut self portrait
ISS space walk, July 2006
Astronaut self portrait, 2008
Space shuttle astronauts spacewalk
ISS astronauts
Astronaut during a spacewalk
ESA astronaut during an ISS spacewalk
NASA astronaut practising spacewalk using virtual reality
Robonaut 2 and astronaut
Soviet space-walk, artwork
Final shuttle mission astronaut training
Astronaut in ISS airlock
Mission STS-133 space walk
STS-109 spacewalk, March 2002
International Space Station construction
ISS construction, February 2007
STS-121 spacewalk, July 2006
Astronaut performing a spacewalk
ISS space walk, 2008
Shuttle retrieval of Palapa B-2 satellite
Space walk on the ISS
Astronaut Dale A. Gardner
Mars-500 landing training
Michael Foale, British astronaut
Spacewalk, Joseph R. Tanner, STS-82
Apollo 14 astronaut on the Moon
ISS construction, July 2007
ISS construction, August 2007
First spacewalk by an ESA astronaut, 1995
Astronaut during spacewalk
ISS robotic arm
Astronauts spacewalking off the ISS
Japanese astronauts training, USA
Luca Parmitano, Italian ESA astronaut
Timothy Peake, British astronaut
ISS solar array repair
Skylab space station space-walk
Tim Peake, British astronaut
Space shuttle and ISS
International Space Station, 2012
First spacewalk, 1965
First space walk, artwork
NASA astronaut during a spacewalk
Apollo 1 crew in training, 1960s
Astronaut Thomas Pesquet during a spacewalk
Astronaut Scott Parazynski performs a spacewalk
Shuttle astronaut on remote manipulator
Apollo 11 bootprint on Moon, 1969
Russian cosmonaut during a spacewalk
ISS expedition 37 and 38 crew training
Astronaut in space
Astronaut training
ISS space walk, August 2006
Astronauts performing spacewalk
Astronaut Thomas Pesquet installing solar arrays on the ISS
Mars-500 spacesuit tests
Apollo 12 astronaut on the Moon
Apollo astronaut's boot on the Moon
Manned maneuvering unit space walk, 1984
SpaceX Demo-2 astronauts
Natural History Museum's Visions of Earth
First woman to spacewalk from Shuttle
Astronaut Don Pettit, ISS
Astronaut ejection training
Astronauts recovering satellites
Astronaut photographing aboard the ISS
Apollo 1 crew
Mercury Seven astronauts
Shuttle astronaut combing her hair, STS-118
Rhesus monkey astronaut
Russian cosmonaut during ISS spacewalk
宇宙遊泳(NASA提供)
Astronaut Alan Bean on the Moon
Cosmonaut Ryazanskiy running on a treadmill
Valeri Kubasov, Soviet cosmonaut
Sergei Volkov, Russian cosmonaut
Exercising on International Space Station
Maintenance on the ISS
SpaceX Demo-2 astronaut launch preparation
Astronaut John Glenn, 1998
Spacewalk, artwork
Space exploration, artwork
Apollo 11 Moon landing, 1969
Apollo 16 moon walk
Astronaut with tissue chip
SAFER backpack test
Apollo 11 Moon landing
NASA astronaut practising spacewalk with virtual reality
Astronaut training in the neutral buoyancy simulator
1960s Soviet cosmonaut food
ISS Columbus module model
Apollo astronaut Ronald E. Evans
Michael Lopez-Alegria, NASA astronaut
1960s Soviet spacesuits
Neil Armstrong and David R. Scott in 1966
Astronaut Curbeam performing spacewalk
Astronaut Fuglesang performing spacewalk
Astronaut Fuglesang after spacewalk