1 of 2 | The Moon is seen from cameras onboard NASA's Orion spacecraft ON December 5, 2022, the 20th day of the Artemis I mission. These images were taken after Orion executed the Return Trajectory Correction 3 burn to prepare it for its return-powered flyby maneuver bringing it on its second close approach to the lunar surface and continuing the journey back to Earth.
"A unified time standard -- Coordinated Lunar Time will act as the established standard to enable cislunar operations and can be tied to Coordinated Universal Time , the primary time standard globally used to regulate clocks and time on Earth," the White House said in a In addition to coordinating with UTC, the White House said the new time system must be accurate enough to support"precision navigation and science," resilient in the event of lost contact with Earth and be able to scale to environments beyond the Earth-moon system.
"Time passes differently in different parts of space -- for example, time appears to pass more slowly where gravity is stranger, like near celestial bodies -- and as a result the length of a second Earth is different to an observer under different gravitational conditions, such as on the moon," said OSTP Deputy Director for National Security Steve Welby.
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