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1. • 200 million years

     • Over the course of the Earth’s life, the length of the day has only grown longer and longer. When the dinosaurs roamed the Earth, for example, a day was only 23 hours. 1.4 billion years ago, it was only 18 hours and 41 minutes. And in 200 million years, it’ll be 25 hours long.
     www.popularmechanics.com/science/environment/a45865589/how-long-is-one-earth-day/

     A New Study Says One Earth Day Is Going to Be 25 Hours Long

2. People also ask

   How long will it take for Earth's Day to reach 25 hours?

   • Tidal forces from the moon — the same kind that tug on ocean shorelines — are creating a friction effect as the moon slowly distances itself from Earth over time. Indeed, that process will be extremely slow — it could take 200 million years for Earth's day to reach 25 hours.

   Have days on Earth always been 24 hours? | Live Science

   www.livescience.com/planet-earth/have-days-on-earth-always-been-24-hours

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   How long is an Earth Day?

   • On Earth, a day is 24 hours long. But a billion years ago, a day was closer to 20 hours. And in the future, an Earth day will be longer. Learn more, including how climate has an impact on Earth’s spin, below. Image via NASA/ Wikimedia Commons (public domain). An Earth day is 24 hours long. Why? We know that on Earth, a day is 24 hours long.

   Why a day is 24 hours long, and why it used to be 20 hours - EarthSky

   earthsky.org/earth/why-earth-day-is-24-hours-long-tides-climate-change/

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   How long is a day on Earth after 200 million years?

   • Scientists say the length of a day on Earth could extend to 25 hours after 200 million years since the Moon is moving away from the planet. This phenomenon is mainly attributed to the tidal forces that are generated by the Earth and Moon's gravitational interactions with one another

   Earth could have 25 hours a day. Here's why - Firstpost

   www.firstpost.com/explainers/earth-25-hours-a-day-moon-13801009.html

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   Why is Earth's Day longer than 24 hours?

   • Earth's day has even been longer than 24 hours, Millholland said, although only by a few milliseconds as a result of subtle changes to the planet's molten core, oceans or atmosphere. Related: Which way does Earth spin? What about the other planets? Earth's rotation is actually evidence of its planetary origin story, Millholland said.

   Have days on Earth always been 24 hours? | Live Science

   www.livescience.com/planet-earth/have-days-on-earth-always-been-24-hours

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   How many milliseconds does the Earth rotate a day?

   • It turns out that the Earth’s rotation fluctuates by about 6 milliseconds every two weeks. Over the course of the Earth’s life, the length of the day has only grown longer and longer. When the dinosaurs roamed the Earth, for example, a day was only 23 hours. 1.4 billion years ago, it was only 18 hours and 41 minutes.

   How Long Is One Earth Day? Actually, It Fluctuates Every 2 Weeks

   www.popularmechanics.com/science/environment/a45865589/how-long-is-one-earth-day/

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   How long did a day last on Earth?

   • A study published in Proceedings of the National Academy of Sciences, shows that 1.4 billion years ago, a day on Earth lasted just over 18 hours. The moon is moving away from our planet at just 3.82cm a year, which is having a small, but measurable effect on Earth’s movement.

   There will eventually be 25 hours in a day, thanks to the moon

   uk.news.yahoo.com/will-eventually-25-hours-day-thanks-moon-111103633.html

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3. www.earth.com › news › earths-rotation-is-shiftingEarth is moving towards a 25-hour day as its rotation changes

   www.earth.com › news › earths-rotation-is-shifting

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   Dec 3, 2023 · Projections suggest that in 200 million years, a day will extend to 25 hours. This evolving dynamic of Earth’s rotation underscores the importance of advanced measurements, though it leaves one to wonder who or what might be around to witness these changes in the distant future.

4. Videos

   • 

     2:33

     youtube.com

     Earth to have 25-hour days, but when? Study reveals day length changes over billions of years

     30 Nov 2023

     87 views

   • 

     popularmechanics.com

     A New Study Says One Earth Day Is Going to Be 25 Hours Long

     27 Nov 2023

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     0:44

     youtube.com

     If moon collided with earth, how long would it take to reach earth? #space #cosmos #universe

     14 Sep 2024

     7.5K views

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5. www.livescience.com › planet-earth › have-days-onHave days on Earth always been 24 hours? - Live Science

   www.livescience.com › planet-earth › have-days-on

   • Cached

   Jun 16, 2024 · Indeed, that process will be extremely slow — it could take 200 million years for Earth's day to reach 25 hours. In the meantime, other planetary and astronomical events could affect the...

6. www.firstpost.com › explainers › earth-25-hours-aEarth could have 25 hours a day. Here's why - Firstpost

   www.firstpost.com › explainers › earth-25-hours-a

   • Cached

   Aug 7, 2024 · Scientists say the length of a day on Earth could extend to 25 hours after 200 million years since the Moon is moving away from the planet. This phenomenon is mainly attributed to the tidal forces that are generated by the Earth and Moon's gravitational interactions with one another.

7. uk.news.yahoo.com › will-eventually-25-hours-dayThere will eventually be 25 hours in a day, thanks to the moon

   uk.news.yahoo.com › will-eventually-25-hours-day

   • Cached

   Jun 5, 2018 · Many of us have suspected it during long, boring meetings, but the days on our planet are actually getting longer – and eventually, there will be 25 hours in a day. It’s all to do with the...

   • Author: Rob Waugh
   • End Date: June 5, 2018

   • Video Duration: 51 sec

8. phys.org › news › 2023-07-day-hours-astrophysicistsWhy the day is 24 hours long: Astrophysicists reveal why ...

   phys.org › news › 2023-07-day-hours-astrophysicists

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   Jul 5, 2023 · A team of astrophysicists at the University of Toronto (U of T) has revealed how the slow and steady lengthening of Earth's day caused by the tidal pull of the moon was halted for over a...

9. earthsky.org › earth › why-earth-day-is-24-hoursWhy a day is 24 hours long, and why it used to be 20 hours

   earthsky.org › earth › why-earth-day-is-24-hours

   • Cached

   Jul 7, 2023 · We know that on Earth, a day is 24 hours long. But why? On July 5, 2023, a team of astrophysicists from the University of Toronto explained how the effects of the sun and moon result in a...