
OVER A BILLION YEARS AGO, A DAY ON EARTH LASTED AROUND 18 HOURS. OUR DAYS ARE LONGER NOW BECAUSE THE MOON’S GRAVITY IS CAUSING THE EARTH’S SPIN TO SLOW DOWN.

OVER A BILLION YEARS AGO, A DAY ON EARTH LASTED AROUND 18 HOURS. OUR DAYS ARE LONGER NOW BECAUSE THE MOON’S GRAVITY IS CAUSING THE EARTH’S SPIN TO SLOW DOWN.