Extra-vehicular activity
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 Cosmonaut Sergey Volkov works outside the International Space Station on August 3, 2011. |
Extra-vehicular activity (EVA) is any activity done by an astronaut or cosmonaut outside of a spacecraft beyond the Earth's appreciable atmosphere. The term most commonly applies to a spacewalk made outside a craft orbiting Earth (such as the International Space Station), but also has applied to lunar surface exploration (commonly known as moonwalks) performed by six pairs of American astronauts in the Apollo program from 1969 to 1972. On each of the last three of these missions, astronauts also performed deep-space EVAs on the return to Earth, to retrieve film canisters from the outside of the spacecraft. Astronauts also used EVA in 1973 to repair launch damage to Skylab, the United States' first space station.
- Related: Manned Maneuvering Unit, Omega Speedmaster, Simplified Aid for EVA Rescue, Space suit, Suitport
| NASA JSC Oral History Project Walking to Olympus: ... NASA JSC Oral History Project Walking to Olympus: An EVA Chronology PDF document. www.jsc.nasa.gov/history/walking/EVAChron.pdf - Web |
| NASDA Online Space Notes NASDA Online Space Notes spaceboy.nasda.go.jp/note/yujin/e/yuj101_eva_e.html - Web |
| Apollo Extravehicular mobility unit. Volume 1: Sys... Apollo Extravehicular mobility unit. Volume 1: System description - 1971 (PDF document) ntrs.nasa.gov/.../19730064704_1973064704.pdf - Web |
Gallery for «Extra-vehicular activity»
- China's first spacewalk.jpg
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| Apollo Extravehicular mobility unit. Volume 2: Ope... Apollo Extravehicular mobility unit. Volume 2: Operational procedures - 1971 (PDF document) ntrs.nasa.gov/.../19730064705_1973064705.pdf - Web |
| Skylab Extravehicular Activity Development Report ... Skylab Extravehicular Activity Development Report - 1974 (PDF document) trs.nis.nasa.gov/archive/00000173/01/tmx64855.pdf - Web |
| Analysis of the Space Shuttle Extravehicular Mobil... Analysis of the Space Shuttle Extravehicular Mobility Unit - 1986 (PDF document) ntrs.nasa.gov/.../19900001621_1990001621.pdf - Web |
| NASA Space Shuttle EVA tools and equipment referen... NASA Space Shuttle EVA tools and equipment reference book - 1993 (PDF document) ntrs.nasa.gov/.../19940017339_1994017339.pdf - Web |
| Preparing for an American EVA on the ISS - 2006 Preparing for an American EVA on the ISS - 2006 esamultimedia.esa.int/.../05_EVASupportInfo.pdf - Web |
