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Days getting longer as moon moves farther, slowing earth’s rotation

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5 years ago

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Earth Moon

Days on Earth are getting longer as the moon slowly moves farther away from us, new research shows.

According to the new study was published Monday (June 4) in the journal Proceedings of the National Academy of Sciences, a day on Earth lasted only 18 hours about 1.4 billion years ago.

Scientists believe that when Earth and the moon were barely formed some 4.5 billion years ago, days were only five hours long.

As the moon slowly drifts away from Earth, its influence on our planet’s spin around its axis is waning, thereby making days last longer, said a report on science new portal ZME Science.

“As the moon moves away, the Earth is like a spinning figure skater who slows down as they stretch their arms out,” explains Stephen Meyers, professor of geoscience at the University of Wisconsin-Madison and co-author of the new study published in the Proceedings of the National Academy of Sciences.

The moon is about 4.5 billion years old and is some 239,000 miles (385,000 kilometers) away from Earth, on average. However, due to tidal forces between our planet and the moon, the natural satellite slowly spirals away from Earth at a rate of 3.78cm (1.48in) per year, or at about the same speed at which our fingernails grow. The migration of the Moon away from the Earth is mainly due to the action of the Earth’s tides.

Without the moon, Earth could slow down enough to become unstable, but this would take billions of years and it may never happen at all.

The slowing of earth’s rotation and lengthening of days as the satellite drifted farther away is traceable in the fossil records of some creatures. For instance, the daily growth bands of corals record the number of days that occurred per year in ancient times. By one estimate, days are getting longer at a rate of 19 hours every 4.5 bn years.

Now, using a new method, called astrochronology, Meyers and colleagues were able to devise a novel way to calculate the moon’s influence on the days on Earth. Astrochronology combines astronomical theory with geological observation, allowing researchers to reconstruct the history of the solar system and better understand ancient climate change as captured in the rock record, according to a statement from the University of Wisconsin-Madison, reported Space.com.

“One of our ambitions was to use astrochronology to tell time in the most distant past, to develop very ancient geological time scales. We want to be able to study rocks that are billions of years old in a way that is comparable to how we study modern geologic processes,” said study co-author Stephen Meyers, a professor of geoscience at UW-Madison, in the statement.

The moon and other bodies in the solar system largely influence Earth’s rotation, creating orbital variations called Milankovitch cycles. These variations ultimately determine where sunlight is distributed on Earth, based on the planet’s rotation and tilt.

Earth’s climate rhythms are captured in the rock record, going back hundreds of millions of years. However, regarding our planet’s ancient past, which spans billions of years, this geological record is fairly limited, researchers said in the statement.

This can lead to some uncertainty and confusion. For example, the current rate at which the moon is moving away from Earth suggests that “beyond about 1.5 billion years ago, the moon would have been close enough that its gravitational interactions with the Earth would have ripped the moon apart,” Meyers said.

Using their new statistical method, the researchers were able to compensate for the uncertainty across time. This approach was tested on two stratigraphic rock layers: The 1.4-billion-year-old Xiamaling Formation from northern China and a 55-million-year-old record from Walvis Ridge, in the southern Atlantic Ocean.

Examining the geologic record captured in the rock layers and integrating the measure of uncertainty revealed changes in Earth’s rotation, orbit and distance from the moon throughout history, as well as how the length of day on Earth has steadily increased.

“The geologic record is an astronomical observatory for the early solar system,” Meyers said in the statement. “We are looking at its pulsing rhythm, preserved in the rock and the history of life.”

The new study was published Monday (June 4) in the journal Proceedings of the National Academy of Sciences.

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OnePlus to launch Nord CE 3 in India, specs and price leaked ahead of global debut

OnePlus may soon expand its affordable smartphone series Nord CE. It is being claimed that the company is going to launch the new OnePlus Nord CE 3 in July this year. As per the leaks, the OnePlus Nord CE 3 will be introduced as a successor to the OnePlus Nord CE 2.

Published

3 months ago

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March 3, 2023

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OnePlus smartphone

OnePlus may soon expand its affordable smartphone series Nord CE. It is being claimed that the company is going to launch the new OnePlus Nord CE 3 in July this year. As per the leaks, the OnePlus Nord CE 3 will be introduced as a successor to the OnePlus Nord CE 2. The information about the phone has also been revealed ahead of its official debut on many digital platforms. However, the company has not yet given any information regarding the same as yet.

According to a report by My Smart Price, the OnePlus Nord CE 3 is expected to launch in July alongside of OnePlus Nord 3. The tipster also has claimed about the specification of the phone as well. Scroll down to know more about the smartphone.

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According to tipster Steve Hemmerstoffer (@OnLeaks), the OnePlus CE 3 will come with a display with 120Hz refresh rate, under which the user will be able to have a high definition display quality while playing videos. The handset is also likely to feature a 6.72 inch Full HD Plus AMOLED display. Earlier it was being said that this phone will be introduced with an IPS LCD screen. However, the confirmation is still awaited.

Leaks also suggested that the OnePlus Nord CE 3 is expected to be powered by the octa-core Snapdragon 782G processor coupled with up to 12GB of RAM and up to 256GB of inbuilt storage. The upcoming OnePlus Nord CE 3 could be equipped with three rear cameras. The phone can get a 50-megapixel Sony IMX890 primary sensor, an 8-megapixel ultra-wide-angle lens, and a 2-megapixel macro lens. The phone is expected to get a 16-megapixel sensor for selfie and video calls.

The handset is said to have an in-display fingerprint sensor, a 5000mAh battery with 80W fast charging support, dual-band Wi-Fi, 5G, 4G LTE, Bluetooth and a USB Type-C port.

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Vivo launches color-changing back panel smartphone V27 Pro in India, check price and specs

The Chinese smartphone manufacturer Vivo has launched its awaited color-changing back panel smartphone V27 Pro in India, along with the lower variant V27. Interested customers can purchase the handset in magic blue and noble black color

Published

3 months ago

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March 1, 2023

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Vivo V27 Smartphone

The Chinese smartphone manufacturer Vivo has launched its awaited color-changing back panel smartphone V27 Pro in India, along with the lower variant V27. Interested customers can purchase the handset in magic blue and noble black color. Pre-booking of Vivo V27 Pro has started and sales will be from March 6. The sale of Vivo V27 will start from 23 March.

As per the official details, the handset is the upgraded version of the Vivo V25 series, which was launched last year. The company has introduced the Vivo V27 Series with Android 13-based Funtouch OS 13 and MediaTek processor, under which customers will be able to access heavy applications without and lag.

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Know everything about the Vivo’s Vivo V27 and V27 Pro

As per the photos shared by the company, Vivo V27 Pro and Vivo V27 come with a 3D curved screen with a refresh rate of 120Hz that offers users to have a high-definition screen experience while playing any video. It comes with a glass panel that changes color whenever some light or sun rays strike it. Both Vivo V27 Pro and Vivo V27 phones have three rear cameras, and features. The Vivo V27 Pro has a MediaTek Dimensity 8200 processor, while Vivo V27 has Dimensity 7200 5G processor. Both the chipset have been considered the advance chipset in the Indian market.

Price of Vivo’s V27 and V27 Pro

The price of 128 GB storage with 8 GB RAM of Vivo V27 Pro is Rs 37,999. At the same time, the price of 256 GB storage with 8 GB RAM has been kept at Rs 39,999. The 256 GB storage variant with the phone’s 12 GB RAM is priced at Rs 42,999. The price of 128 GB storage with 8 GB RAM of Vivo V27 has been priced at Rs 32,999 and 256 GB storage with 12 GB RAM has been priced at Rs 36,999.

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Samsung set to launch Galaxy S23 FE, design and specs leaked ahead of official launch

Published

3 months ago

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February 22, 2023

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The leading smartphone manufacturer Samsung recently launched the Galaxy S23 series in India, since then, the handsets became the talk of the time. Now the company is all set to attract more customers as it has decided to launch an affordable variant of Samsung Galaxy S23 FE in the country.

Ahead of the official launch, many information such as specs, design leaked on digital platforms, claiming the handset might come with the latest processor with a 120 Hz AMOLE display that will allow users to have a high-definition experience while playing videos or using the phone. As per the leaks, the phone could be equipped with a flagship chipset launched by Qualcomm last year. However, the South Korean tech giant hasn’t revealed anything regarding the same as of now. Not even the price and launch date.

Once launched, interested customers can purchase the smartphone from the company’s authorized store. If one wants it at an additional discount, they can purchase the phone from the e-commerce giant Amazon or Flipkart.

Know everything about Samsung Galaxy S21 FE

Tipster Connor (@OreXda) claims that the Samsung Galaxy S23 FE will be powered by the Snapdragon 8+ Gen 1 processor. It is the second most powerful chipset from Qualcomm after Snapdragon 8 Gen 2. A lot of flagship phones of this year shared the with same Snapdragon 8 Gen 1 such as OnePlus 11R, Xiaomi 12S Ultra, Asus Zenfone 9, Samsung Galaxy Z Flip 4, and Oppo Find N2 among others.

It said that the upcoming Samsung Galaxy S21 FE might replace the company’s feature-loaded smartphone Galaxy A74. It is expected that the company likely to launch the S21 FE at a similar price as A74.


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