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The mysterious origin of water on Earth may already have an answer

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The mysterious origin of water on Earth may already have an answer

(doctor) NASA Scientific Visualization Studio / Anil Rao / University of Colorado / Maven / NASA GSFC

An artist’s impression of the interactions of the solar wind and magnetic field

New research suggests that a link between asteroid dust and solar wind is causing water to form.

The solar wind may have played a key role in the creation of water on Earth – this is the conclusion study University of Glasgow.

There have already been previous studies that showed that the meteorites were very rich in water, suggesting that it could be your collisions bring this resource to Earth and make our planet livable.

However, the water composition of these meteorites differs from that on Earth, since it contains more deuterium, a heavier form of hydrogen. So, he went back to square one in search of an answer to this riddle.

But it looks like the answer has already appeared. Luke Daly and his Glasgow colleagues studied one grain of material asteroid Itokawa, returned by the Japanese spacecraft Hayabusa in 2010, writes New scientist

The results showed that the asteroid was irradiated by particles from the solar wind, which turned a small amount of each speck of dust into water. “For every cubic meter of material, you will have 20 liters of water“This is Daly speaking.

The method used involved studying individual atoms of the asteroid using a technique known as atomic probe tomography, which may be useful in future research. Daly wants to use this method to study the grains of the asteroid Ryugu.

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The solar wind mainly consists of hydrogen ions is emitted by the Sun, which combines with oxygen atoms in the asteroid’s rock to produce water. Previous research has shown that asteroids like Itokawa may have a lot of water, but it is not known where it came from.

The early stages of our solar system are believed to have been a lot of powderTherefore, under the influence of the solar wind, the particles could turn into water even before they reached the Earth’s surface. This water also contains less deuterium than asteroids.

The results can also have implications for space exploration. “Any rocky surface has small degrees, emitted by the solar wind. If we want to constantly inhabit other worlds, we can see powder as a method of water production“Then it just became our focus.

ZAP //

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The new European Samsung Galaxy S22 will be equipped with an Exynos 2200 processor

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The new European Samsung Galaxy S22 will be equipped with an Exynos 2200 processor

As the date of the announcement of the new Samsung Galaxy S22 family of smartphones approaches, publications begin to appear on social networks, which in some way confirm many of the rumors that have appeared.

One of the most pressing doubts is related to the new SoC (System-on-Chip) from Samsung. new exynos 2200, which features the new Xclipse 920 graphics controller using the AMD RDNA2 architecture.

According to this Twitter post, which lists the SoCs that will be distributed across different regions, it was created with firmware development in mind, which is being created for the new Galaxy S22.

If proven, the European continent will be the only region where the new Exynos 2200 will be exclusive, and the markets where both SoCs are available, such as Africa, the Middle East, and Southwest Asia, the rest will be Snapdragon 8 Gen1 exclusive. . . .

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Horizon Chase Gets New China Spirit DLC – Mobile Gamer

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Horizon Chase Gets New China Spirit DLC - Mobile Gamer

Horizon Chase, one of best offline racing games per android e iOS it has a new update. The update brought a new DLC called Chinese spirit, which includes cars and new tracks. The price of new content is 10.99 reais.

The DLC is exclusive to the mobile version of Horizon Chase.

as it happened in other years, Aquiris releases an exclusive mobile update to celebrate the Chinese New Year. Chinese New Year is celebrated on February 1st.

This update comes with a new Lightning car (signs?) that looks like a Tesla. This car is also equipped with an electric motor in the game. The pack includes 4 unique coloring pages and 9 new tracks.

Watch the update trailer.

About chasing the horizon

Originally released in 2015, Horizon Chase is still being updated to this day (24). The racing game is one of the main games of the genre and one of the best offline racing games for mobile phones.

Created as a tribute to such classics as Top Gear (SNES), Out Run (Mega Drive) and Lotus Turbo Challenge (Amiga, the eternal “father of Top Gear”). Three super classics from the 90s, Horizon Chase also features Amazing DLC ​​with the eternal idol tracks Airton Senna.

A complete offline oriented game with so much content that it also ended up on PC and consoles. Horizon Chase is a must. A game that will appeal to both the generation that grew up on old consoles and the youth who like games that do not require the Internet.

Download links: ANDROID | iOS

Developer: Aquiris
Advertising: No | Offline game
Contains in-app purchases: only one
Requires Android 4.0 / iOS 7.1
Language: Portuguese | Size: 530 MB

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The James Webb Telescope arrived today at L2, its destination in orbit around the Sun – 01/24/2022

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The James Webb Telescope arrived today at L2, its destination in orbit around the Sun - 01/24/2022

Nearly a month after launch, the James Webb Space Telescope will arrive today (24) at its deep space destination. According to NASA, the telescope’s thrusters are due to fire on Monday afternoon, when the giant is put into orbit around the Sun.

Released December 25James Webb will enter orbit at a point known as Lagrange 2 (or L2), about 1.5 million kilometers from Earth. This distance is four times greater than the distance between our planet and the Moon. At this point, the gravitational forces of the Earth and the Sun cancel each other out, forcing the object to stay there effortlessly and using a minimum of fuel.

Once in his new home, millions of miles from Earth, Webb will complete instrument testing and calibration procedures before he goes to work. Work is only scheduled to begin in June 2022, a date that should also mark the delivery of the first images taken by the telescope.

NASA will not broadcast James Webb’s arrival at his new home in space. However, the agency plans several follow-up live broadcasts after completing an important part of the mission.

Starting at 5:00 pm (Brazil time), the agency will host a live broadcast with scientists and engineers working on the Webb project. The broadcast will be NASA Science Live as well as their profiles on YouTube, facebook e Twitter.

During the live broadcast, viewers will be able to ask questions using the hashtag #UnfoldtheUniverse or leave comments on facebook or on youtube.

Amber Strawn, Associate Communications Specialist for the Webb Project at NASA’s Goddard Space Flight Center, and Scarlene Hernandez, Flight Systems Engineer at the Space Telescope Science Institute, will talk about the telescope’s journey and answer questions from netizens.

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The live broadcast will be followed by a press conference, also broadcast on the agency’s website.

Mission

The mission of the James Webb Telescope is to better understand the early stages of the formation of our Universe, to observe and discover distant exoplanets, and to try to answer questions such as: How fast is the Universe expanding?

The telescope, with a $10 billion investment, is the successor and collaborator of the Hubble telescope launched in 1990. Both were created for observation in deep space, that is, astronomical objects that are very far from the Earth. But while Hubble is detecting ultraviolet light and the visible elements of the electromagnetic spectrum, the novice will be able to see space in the infrared spectrum – invisible to the naked eye.

James Webb will be able to take pictures beyond the nebulae — clouds of gas and dust — that are the strength of his predecessor, and he will be able to show where stars are born. Thus, it complements the existing information.

In addition, Hubble will be able to look 400 million years after the Big Bang, and James Webb will allow us to observe the first galaxies formed about 100 million years after this phenomenon. Thanks to this, scientists will be able to better understand the conditions for the origin of the universe.

The researchers also intend to use the telescope to study the supermassive black holes that appear to occupy the centers of distant galaxies.

Last stage

With the arrival of James Webb at point L2, the mission comes to the last leg of the journey. During the 30 days that the telescope followed its orbital point, it completed the relevant assembly steps without much trouble.

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In early January, the telescope passed the most difficult stage fully open the heat shield, a five-tier umbrella measuring 20 by 14 meters – the size of a tennis court.

This equipment is necessary for observing space and is important for protecting scientific instruments from the heat of the sun and radiation emitted by the Earth and the Moon. Shortly thereafter, Webb achieved his goal. final configuration completing the “unrolling” of their mirrors two weeks after launch.

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