Extravehicular activity (EVA) is any activity performed by an astronaut in outer space outside of a spacecraft. This includes spacewalks, lunar or planetary surface exploration (commonly known as moonwalks), and stand-up EVAs (SEVAs) where astronauts stand through an open hatch without fully leaving the spacecraft.
Extravehicular activity (EVA) is any activity performed by an astronaut in outer space outside of a spacecraft. This includes spacewalks, lunar or planetary surface exploration (commonly known as moonwalks), and stand-up EVAs (SEVAs) where astronauts stand through an open hatch without fully leaving the spacecraft.
Source: Wikipedia "Extravehicular activity" · CC BY-SA 4.0
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