Earth broke the record for the shortest day since atomic clocks were invented
You are right if you believe that the day is getting shorter.
Since the development of the atomic clock, scientists have documented the shortest day ever on Earth.
The International Earth Spin and Reference Systems Service
which is in charge of maintaining world time, said that our planet's rotation was 1.59 milliseconds off the regular 24-hour day on June 29.
The time it takes the Earth to complete one complete rotation, or around 86,400 seconds, is called a rotation.
On July 19, 2020, when the day was 1.47 milliseconds shorter than usual, the previous record was recorded.
According to Dennis McCarthy, a retired director of time at the U.S. Naval Observatory
the atomic clock is a standardised unit of measurement that has been used to measure the Earth's rotation and tell the time since the 1950s.
There have been days on Earth that have been considerably shorter, he noted, despite June 29 breaking the record for the shortest day in contemporary history.
According to a 2020 study published in Paleoceanography and Paleoclimatology,
a day on Earth when dinosaurs were still roaming the earth 70 million years ago lasted approximately 231/2 hours.
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