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VRSS | All | Earth Is Spinning Faster and Days Are Getting Shorter, for Now |
July 11, 2025 3:20 PM |
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Feed: Slashdot Feed Link: https://slashdot.org/ --- Title: Earth Is Spinning Faster and Days Are Getting Shorter, for Now Link: https://news.slashdot.org/story/25/07/11/1741... An anonymous reader shares a report: This week has seen the shortest days of the year so far. According to data from the U.S. Naval Observatory and the International Earth Rotation and Reference Systems Service, Tuesday's rotation was about 1.34 milliseconds less than 24 hours. More quick spins are expected this week, later this month and in early August, according to predictions from the website Time and Date. This isn't completely out of the ordinary: Our world's spins have been faster than usual lately. The average day has mostly shortened over the past decade, and within the past five years or so, the full rotation has clocked in at a hair less than 24 hours more often than not. Factors driving the change include movements at Earth's core, atmospheric changes and the moon's position. But long-term trends do not suggest that the days will shorten in perpetuity. In fact, it is just the opposite. For many millenniums, the days have been growing longer. A Tyrannosaurus rex that lived 70 million years ago would have experienced an average daily rotation of about 23 1/2 hours, studies have found. Read more of this story at Slashdot. --- VRSS v2.1.180528 |
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