Assertion: gyroscope's rotation | /r/CapableOf | slow down to about 1/50
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text: At a REALLY distant time in the future, the Earth's rotation will have slowed down to about 1/50 of what it is now (a day then will take 50 times as long as now, about seven days per year), and the Moon's rotation and revolution will be the same 50 days, the Earth and Moon will rotate and revolve together, always with the same side facing the other.