1. Called Extra-vehicular activity (EVA) spacewalks are performed by astronauts who face temperatures as cold as minus 150 degrees-Celsius.
2. Astronaut Edward H. White II floats in space during the Gemini IV space mission.
3. Astronaut Bruce McCandless II, one of two 41-B mission specialists, a few metres from the Earth-orbiting space shuttle Challenger.
4. Astronaut Mike Massimino looking through the flight deck window of the Space Shuttle on May 17, 2009 in Space.
5. Astronaut Lee M E Morin performing a space walk during the construction International Space Station, on April 13, 2002 in Space.
6. Astronaut Steve Robinson on the robotic arm of the International Space Station, on August 03, 2005.
7. Astronaut Bruce McCandless floats free above the Earth in his manned manoeuvring unit during the 10th space shuttle flight.
8. The vast Hubble Space Telescope (HST) seen in the cargo bay of Shuttle Endeavour during the last spacewalk of the servicing mission.
9. Astronaut Joseph R. Tanner performs a spacewalk during a Space Shuttle mission.
10. Astronaut Curbeam performing spacewalk on December 12, 2006 in space.