Extra-vehicular activity (EVA) is work done by an astronaut away from the Earth and outside of a spacecraft. The term most commonly applies to an EVA made outside a craft orbiting Earth (a spacewalk) but also applies to an EVA made on the surface of the Moon (a moonwalk). In the later lunar landing missions (Apollo 15, 16, and 17) the command module pilot did an EVA to retrieve film canisters on the return trip; he was assisted by the lunar module pilot who would perform a stand up EVA. These trans-Earth EVAs were the only spacewalks ever conducted in deep space to date.
The first EVA was carried out by Alexey Leonov on March 18, 1965 from the Voskhod 2 spacecraft.
The first EVA by an American astronaut was made on June 3, 1965 by Edward White during the Gemini 4 mission.
The first EVA that was a moonwalk rather than a spacewalk was made by American astronaut Neil Armstrong on July 20, 1969 when the Apollo 11 Lunar Module Eagle landed on the Moon. He was joined by crewmate Buzz Aldrin, and their EVA lasted 2 hours and 32 minutes.
The first untethered spacewalk was by American astronaut Bruce McCandless II on February 7, 1984, during Challenger mission STS-41-B. He was subsequently joined by astronaut Robert L. Stewart during the 5 hour 55 minute spacewalk.
The first woman to perform an EVA was Cosmonaut Svetlana Savitskaya on July 25, 1984 while aboard the Salyut 7 space station. Her EVA lasted 3 hours and 35 minutes.
The first American woman to make an EVA was Kathryn D. Sullivan, who stepped into space on October 11, 1984 during Space Shuttle Challenger mission STS-41-G.
The first (and only) three-person EVA was performed on May 13, 1992, as the third EVA of STS-49, the maiden flight of Endeavour.[1] Pierre Thuot, Richard Hieb, and Thomas Akers conducted the EVA to capture and repair a non-functional Intelsat VI-F3 satellite, and equipped the satellite with a new motor, that after release, moved it into its planned geosynchronous orbit.
The first EVA by a non-Soviet, non-American astronaut was made on December 9, 1988 by Jean-Loup Chrétien of France during a three-week stay on the Mir space station.
On February 9, 1995, Bernard A. Harris, Jr. and Michael Foale became the first African American and the first Briton, respectively, to perform an EVA.
On April 22, 2001, Chris Hadfield became the first Canadian to perform an EVA, while installing the Canadarm2 on to the International Space Station.
The first EVA to perform an in-flight repair of the space orbiter was by American astronaut Steve Robinson on August 3, 2005, during "Return to Flight" mission STS-114. Robinson was sent to remove two protruding gap fillers on the Space Orbiter Discovery's heat shield, after engineers determined they might cause damage to the shuttle upon re-entry. Robinson successfully removed the loose material while the Discovery was docked to the International Space Station.
自己去百度搜吧
太空的英文：outer space。
在国际音标中，它的发音为 [spe?s]。下面是关于太空的一些英文表达和用法：
太空探索： space exploration
太空飞行员： astronaut
太空任务： space mission
太空站： space station
太空舱： spacecraft
太空旅行： space travel
太空行走： spacewalk
太空探测器： space probe
太空科学： space science
太空飞行： spaceflight
太空飞行器： spacecraft
太空环境： space environment
太空中心： space center
太空卫星： space satellite
太空是人类科学探索和航天技术发展的最终边界，人类通过探索太空来深入了解宇宙和地球，发展各种科学技术，也为未来的航天事业奠定基础。太空探索是一个充满挑战和激动人心的领域，它不断推动着人类文明的进步和发展。随着科技的不断进步，人类对太空的探索和利用将会取得更加重大的突破和进展，为人类的未来带来更多的可能性。
在学习英语的过程中，了解各种专业词汇和表达方式是很重要的。太空领域的英语词汇和表达常常在科技、航天、科学等方面使用，掌握这些词汇可以帮助我们更好地理解和运用相关领域的知识。
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