Scientists at the Technical University of Munich (TUM) have made significant progress in measuring the speed of the Earth’s rotation.
Thanks to a new annular laser instrument, they have improved the precision achieved to date, allowing the detection of fluctuations in the Earth’s rotation of just six milliseconds every two weeks.
According to information from TUM scientists, these measurements indicate that, in the very distant future, each day on Earth will extend from 24 to 25 hours.
However, this extension of Earth’s days will occur gradually. He estimates that it will take place in approximately 200 million years, with a change millisecond by millisecond.
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The length of the day on Earth has been gradually increasing over time. During the age of the dinosaurs, a day lasted only 23 hours, and 1.4 billion years ago it was just 18 hours and 41 minutes. Currently, the day is 24 hours long.
Precision
This new annular laser instrument has been refined since its implementation in 2011; achieving unprecedented precision in measuring the rotation speed of our planet.
With this improvement in measurement accuracy, TUM scientists have managed to obtain the first daily measurements of changes in the Earth’s rotation.
Research has provided valuable information about the behavior of our planet in terms of time and rotation.
Researchers at the Technical University of Munich continue their work on improving this annular laser instrument. This, with the aim of continuing to obtain precise measurements of the Earth’s rotation speed and better understanding the phenomena that affect it.
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Source: vtt.edu.vn