Astronaut reflection
Hubble servicing
Astronaut Mike Massimino
Space walk
Spacewalk
Space walk on the ISS
ESA astronaut during ISS spacewalk
First American space walk
ISS astronaut
Shuttle astronaut on remote manipulator
ISS construction
ISS astronauts
ISS space walk, 2011
Astronaut self portrait, 2008
Discovery heat shield tiles
Timothy Peake, astronaut training, 2010
ISS space walk
STS-109 spacewalk, March 2002
Astronaut during a spacewalk
NASA astronaut practising spacewalk using virtual reality
Spacewalk, Joseph R. Tanner, STS-82
ISS space walk, 2010
ISS space walk, 2008
Apollo 11 bootprint on Moon, 1969
In-flight portrait of the crew of STS-31
Space shuttle astronauts spacewalk
Return to Flight spacewalk
Discovery heat shield repair
ISS space walk, June 2006
ISS spacewalk, February 2007
Apollo astronaut's boot on the Moon
ISS astronaut Jeffrey Williams
International Space Station, 2012
Astronaut in ISS airlock
Michael Foale, British astronaut
Space shuttle and ISS
宇宙遊泳(NASA提供)
ISS astronaut Pavel Vinogradov
Shuttle retrieval of Palapa B-2 satellite
ISS space walk, July 2006
Natural History Museum's Visions of Earth
Hubble Space Telescope
ESA astronaut during an ISS spacewalk
Astronaut Scott Parazynski performs a spacewalk
Jeffrey Hoffman in VR helmet & gloves, STS-61
Astronaut self portrait
Astronaut Thomas Pesquet during a spacewalk
Soviet space-walk, artwork
Apollo 14 astronaut on the Moon
Lunar seismic testing
Astronaut on the Moon
SAFER backpack test
Lunar surface, Apollo 14 image
First woman to spacewalk from Shuttle
Manned maneuvering unit space walk, 1984
ISS robotic arm
Apollo 16 moowalk
Apollo 15 gravity demonstration
Astronaut Dale A. Gardner
Astronaut Anna Fisher suiting up for training
Astronaut photographing aboard the ISS
Mission STS-133 space walk
International Space Station construction
ISS construction, February 2007
STS-121 spacewalk, July 2006
ISS construction, July 2007
ISS construction, August 2007
NASA astronaut during a spacewalk
Astronaut performing a spacewalk
Astronaut on Moon with Earth
NASA astronaut John Glenn using binoculars
Jason-1 satellite, artwork
MSG weather satellite launch, artwork
International Space Station, 2011
Russian cosmonaut during a spacewalk
Comet ISON, October 2013
Comet ISON, April 2013
Uranus, Hubble Telescope Image
Uranus, Hubble Telescope Images
Satellites orbiting Earth, illustration
Astronaut entering Mir space station
Robonaut 2 and astronaut
Mars landing, artwork
Martian settlement, artwork
Challenger space shuttle
Luca Parmitano, Italian ESA astronaut
Astronaut Don Pettit, ISS
ISS solar array repair
First spacewalk by an ESA astronaut, 1995
Shuttle astronaut combing her hair, STS-118
Skylab space station space-walk
NASA astronauts servicing the Hubble Space Telescope
Spacewalk training
Astronauts spacewalking off the ISS
1960s Soviet cosmonaut food
Astronauts servicing the Hubble Space Telescope
Astronaut Hoffman with Hubble WF/PC, STS-61
Apollo 11 Moon landing, 1969
Apollo 16 moon walk
Jupiter and comet Shoemaker-Levy 9, HST
Evaluation of SAFER EVA backpack, STS-64
Shuttle captures Palapa B-2 satellite
Shuttle astronauts with Palapa B-2 satellite
Spacewalk during shuttle mission STS-69
Spacewalk in cargo bay of the Shuttle Endeavour
ISS Columbus module model
1960s Soviet spacesuits
Mercury Seven astronauts
Space Shuttle astronaut during spacewalk
Neil Armstrong and David R. Scott in 1966
Astronaut in space
Astronaut Walter Cunningham performing flight tasks
Astronaut Alan Bean on the Moon
SpaceX Demo-2 astronauts
NASA female astronaut candidates
Sally Ride, US astronaut
ハッブル宇宙望遠鏡(NASA提供)
Cosmonaut Ryazanskiy running on a treadmill
Exercising on International Space Station
Astronaut Thomas Pesquet installing solar arrays on the ISS
Orange lunar soil
Sally Ride and female NASA astronaut candidates
Timothy Peake, astronaut training, 2012
Valeri Kubasov, Soviet cosmonaut
Astronaut Michael Massimino removing old solar array
Astronaut Bruce McCandless
Astronaut training