demanding six-hour extravehicular activity
📖 Definitions
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A spacewalk lasting six hours that requires significant physical and mental effort from the astronauts involved.; An extended period of time spent outside a spacecraft, characterized by high levels of exertion and complexity.
💬 Examples
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The crew prepared extensively for the demanding six-hour extravehicular activity to replace a faulty solar array.
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Mission control monitored the demanding six-hour extravehicular activity closely to ensure the safety of the two astronauts.