Lunar Rangefinding
Lunar laser ranging from August, 1969 – December, 1993 indicates a lunar recession rate of 3.82 cm/yr, which corresponds to a change in length-of-day of 2.3 ms/century.
Open pageLunar Rangefinding
Lunar laser ranging from August, 1969 – December, 1993 indicates a lunar recession rate of 3.82 cm/yr, which corresponds to a change in length-of-day of 2.3 ms/century.
Open page