(NewsNation) — With NASA’s Artemis II mission in the rear mirror, new information has emerged about how far the moon continues to move away from the Earth.
A report from Space Daily says the moon is receding from Earth at 3.8 centimeters per year.
“That number is small enough to sound trivial. It is not,” Space Daily states. “The same measurement, extended forward, eliminates an astronomical phenomenon that human beings happen to be alive at exactly the right moment in geological time to witness.”
The development results from tidal friction, the site notes.
Friction occurs as Earth’s oceans bulge under the moon’s gravity. Consequently, the days lengthen on Earth by about 1.7 milliseconds per century, and the moon spirals outward because it’s gaining orbital energy.
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