Which standardized time system is implemented for the ISS crew to manage internal body clocks?
Answer
Coordinated Universal Time (UTC).
To prevent the internal body clocks of the crew from being completely disrupted by witnessing 16 sunrises and sunsets daily, NASA and its international partners implement a standardized schedule based on Coordinated Universal Time (UTC). This system is also known as Greenwich Mean Time (GMT). The fundamental reason for adopting UTC is to ensure synchronization among all global mission control centers, which is crucial for coordinating complex, real-time operational tasks without the constant confusion of shifting local time zones. This administrative choice ensures operational consistency regardless of where ground teams are located.
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