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NASA will send a robot to the south pole of the moon in 2023 in search of ice



posted 09/20/2021 11:02 PM


NASA announced on Monday (September 20) that a robot capable of searching for ice will land in 2023 near the moon’s south pole called Nobile Crater.

The space agency hopes the craft will confirm the presence of frozen water just below the surface, which could one day fuel rockets to Mars or further into space.

“Nobile is a crater near the South Pole, formed by a collision with a smaller celestial body,” said Laurie Glaze, director of NASA’s planetary science division. It is one of the coldest regions in the solar system and has only been explored from a distance using the sensors of NASA’s lunar reconnaissance orbiter and the lunar crater detection and observation satellite.

The robot is called the Viper and is similar in size to a golf cart, reminiscent of the androids from Star Wars. Its weight is 430 kg.

Unlike robots used on Mars, the Viper can be piloted in near real time, since the distance between the Earth and the Moon is much shorter than on Mars: about 300,000 km, or 1.3 light seconds. The robot is also faster, reaching a top speed of 0.8 km / h.

The Viper is powered by a 50-hour solar-powered battery and is capable of withstanding extreme temperatures. His team primarily wants to find out how the frozen water got to the moon, how it persisted for billions of years, and where the liquid ended up.

This mission is part of Artemis, an American project to return humans to the moon. The first manned mission is scheduled for 2024, but the program could be significantly delayed.

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BANDAI BANCO announces Ultra Kaiju Monster Rancher, which mixes Ultraman and Monster Rancher.



BANDAI BANCO announces Ultra Kaiju Monster Rancher, which mixes Ultraman and Monster Rancher.


The game will be released only for Nintendo Switch

BANDAI BANCO announces Ultra Kaiju Monster Rancher, which mixes Ultraman and Monster Rancher.
© Reproduction / BANDAI NAMCOBANDAI BANCO announces Ultra Kaiju Monster Rancher, which mixes Ultraman and Monster Rancher.

BUT BANDAY NAMCO introduced this week a new game called Ultra Kaiju Monster Rancherthat mixes the classics Ultraman e Monster Rancher in one the gamewhere you can take care of new Kaiju and improve them in combat.

In the game, the player will have to take care of the Ultra Kaiju for the competition and will have to collect over 200 types of Kaiju from the Ultraman series. In addition, you can use other ways to get new creatures, including through searching for songs, NFC-enabled devices, or even merging two different species.

This blend celebrates the 25th anniversary of the Monster Rancher series in which players cared for monsters to duel. However, the mix with Ultraman made the scale of the monsters much larger than traditional for the franchise, with giant foes and punches in the same proportion.

The release of Ultra Kaiju Monster Rancher will be a Nintendo Switch exclusive in 2022, but no official date has yet been announced. More news about the game will come in the future, such as gameplay footage, pre-orders, and official launch.

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Xiaomi 12 Pro Dimensity Edition: what has changed compared to the original version



Xiaomi 12 Pro Dimensity Edition: what has changed compared to the original version

Earlier this year, Xiaomi introduced its first line tops for 2022. The most powerful presented to date was Xiaomi 12 Pro with Snapdragon 8 Gen 1. Most recently, during the presentation of Xiaomi 12S, the brand introduced a new version of this equipment.

called him Xiaomi 12 Pro Dimensity Edition. This version has a lower price compared to the original version. But the big question arises: what are the differences and what does the existence of this version and the subsequent price reduction lead to?

Dimensity 9000 Plus replaces Snapdragon 8 Gen 1

As the name of the smartphone suggests, the first big difference is the processor. Instead of Snapdragon 8 Gen 1, Dimensity 9000 Plus, developed by MediaTek, is installed here. This is, in fact, the first equipment on the market with the aforementioned processor.

It promises to bring something the Snapdragon 8 Gen 1 didn’t have: stability. In addition to being a more power efficient processor, the promise is that it will be able to better control temperatures.

Chambers are experiencing a marked decline

However, there were to be other changes as well. The hardware supports a 50MP main camera with a Sony IMX707 sensor and a 32MP front camera. The secondary sensors, however, are a base 13MP ultra-wide sensor and a 5MP telecamera. Recall that the 12 Pro has an ultra-wide and a 50 MP telephoto.

Bigger battery, slower charging speed

Another area where there is skill is drums. In the new Xiaomi 12 Pro Dimensity, the battery is increased by 5160 mAh against 4600 mAh. However, it charges at a maximum wired power of 67W (instead of 120W).

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In terms of design, it comes with the same features and a similar panel, albeit the LTPO2. It is available on a limited basis in black and blue, with no green and purple versions.

The price of this Xiaomi 12 Pro starts at 570 euros in China, where it will be sold exclusively. The original Xiaomi 12 Pro costs in Portugal from 1049.99 euros. To buy this new version, just import.

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Watching the death of a rare giant star



Watching the death of a rare giant star


Artist’s impression of the red hypergiant VY Canis Major.

A team of astronomers led by the University of Arizona has created a detailed 3D image of the dying giant star.

A team led by researchers Ambesh Singh and Lucy Ziuris of the University of Arizona traced the distribution, directions and velocities of various molecules around a red hypergiant star known as VY Canis Major.

Their findings, which they presented on June 13 at the 240th meeting of the American Astronomical Society in Pasadena, California, offer unprecedented insight into the death of giant stars.

The work was carried out with collaborators Robert Humphreys of the University of Minnesota and Anita Richards of the University of Manchester, UK.

As extreme supergiantsalso known as hypergiants, are very rare and few exist in the Milky Way.

Examples include Betelgeuse, the second brightest star in the constellation of Orion, and NML Cygnus, also known as V1489 Cygnus, in the direction of the constellation Cygnus.

Unlike lower-mass stars, which are more likely to swell as they transition to the red giant phase but generally retain a spherical shape, hypergiants tend to undergo substantial mass losses as they form. structures complex and very irregular consists of arcs, clusters and nodes.

Located about 3009 light-years from Earth, VY Canis Major – or VY CMa for short – is a pulsating variable star in the constellation Canis Major.

Covering a range of 10,000 to 15,000 astronomical units (1 astronomical unit or AU is the average distance between the Earth and the Sun, about 150 million kilometers), VY CMa is possibly the most massive star in the Milky Wayaccording to Zyurys.

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“Think of it like Betelgeuse on steroids,” said Ziuris, regent professor in the Department of Chemistry and Biochemistry at the University of Arizona and the Steward Observatory. “It’s much bigger, much more massive, and erupts every 200 years or so.”

The team chose to study VY CMa because it is considered one of the best examples of this type of star.

“We are particularly interested in what hypergiants do at the end of their lives,” said Singh, a fourth-year doctoral student and member of the Ziuris lab. “People used to think these massive stars were just went supernovabut we are no longer sure.

“If that were the case, we would see many more supernova explosions across the sky,” Zyurys added. “Now we think they might collapse into black holes silently, but we don’t know which ones end up this way, or why or how.”

Previous images of VY CMa by NASA’s Hubble Space Telescope and spectroscopy have shown distinct arcs and other clusters and nodes, many of which extend thousands of astronomical units from the central star.

To uncover more details about the processes by which hypergiant stars end their lives, the team began tracking specific molecules around the hypergiant and matching them to existing images of dust taken by the Hubble Space Telescope.

“No one has been able to get a complete picture of this star,” Zyuris said, explaining that his team set out to understand the mechanisms by which the star’s mass is released, which appear to be different from those of the smaller stars that make up the star. , your red giant stage at the end their lives.

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“You don’t see this beautiful symmetrical mass loss, but convection cells that “shoot through” the star’s photosphere like giant bullets and eject mass in different directions,” Zyuris said. “They are similar to the coronal arcs seen on the Sun, but a billion times larger.”

The team used the Atacama Large Millimeter Array (ALMA) in Chile to track various molecules in material ejected from the star’s surface.

While some observations are still ongoing, preliminary maps have been made for sulfur oxide, sulfur dioxide, silica, phosphorus oxide, and sodium chloride. Based on these data, the team built an image of the structure of the global molecular stream VY CMa on a scale covering all the material ejected by the star.

“How molecules trace the arcs on the bodywhich tells us that the molecules and dust are well mixed,” said Singh.

“What’s great about molecular radio waves is that they give us speed information, unlike dust emissions, which are static,” he added.

By moving ALMA’s 48 antennas into various configurations, the researchers were able to obtain information about the directions and velocities of the molecules and map them to different regions of the hypergiant envelope in great detail, even correlating them with different mass ejection events over time. .

According to Singh, processing the data required some “hard work” in terms of processing power.

“At the moment we have processed almost a terabyte ALMA and we are still getting data that we have to analyze to get the best resolution possible,” he said.

“Only calibration and data cleansing requires up to 20,000 iterations, which takes a day or two for each molecule,” he adds.

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“Thanks to these observations, we can now map them in the sky,” Zyurys added. “So far, only small parts of this huge structure have been studied, but you cannot understand the loss of mass and how these large stars die unless you look at the entire region. That’s why we wanted to create the complete picture.”

With financial support from the NSF (National Science Foundation), the team plans to publish their findings in cycle of scientific articles.

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