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1616739820 Snapdragon 888 and 870 are inexpensive Black Shark 4 and 1616739820 Snapdragon 888 and 870 are inexpensive Black Shark 4 and

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Snapdragon 888 and 870 are inexpensive. Black Shark 4 and Black Shark 4 Pro set sales records in China

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Today, sales of new gaming smartphones Black Shark 4 and Black Shark 4 Pro started in China, and the company has already summed up the first result: as it turned out, smartphones worth more than $ 30 million were bought in just 5 minutes. For comparison, the statistics of pre-orders of OnePlus 9 flagships appeared today: $ 15 million in 50 minutes. The difference in demand is visible to the naked eye: Black Shark is much more popular in the home market.

And this is not surprising, because the most affordable Black Shark 4 on the Qualcomm Snapdragon 870 SoC costs only $ 385 in China. The price of the base version of the Black Shark 4 Pro is $ 615. And this is one of the most affordable Snapdragon 888 models. Besides the price, there are other advantages. For example, 144Hz screen, super-fast internal storage with SSD, 120W fast wired charging.

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James Webb Space Telescope Captures ‘Imposter Galaxy’

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James Webb Space Telescope Captures Imposter

The James Webb Space Telescope sent images in which astronomers noticed the ancient galaxy CEERS-DSFG-1, which was previously considered a record holder, which appeared just 200-300 billion years after the Big Bang. However, the work of two groups of astrophysicists disproved this.

James Webb Space Telescope Captures 'Imposter Galaxy'

The farther away a galaxy is, the earlier in the universe it can be seen and the more its light is stretched due to the expansion of the universe, causing blue and ultraviolet light from hot young stars to appear infrared. Astronomers call this effect “redshift,” and the greater the redshift, the farther and older the galaxy.

James Webb Space Telescope Captures 'Imposter Galaxy'

CEERS-DSFG-1 in an image from the James Webb telescope. Pictures on the right – with various filters applied

A team of astronomers from the National Astronomical Observatory of Japan used the NOEMA (Northern Extended Millimeter Array) submillimeter telescope in France to discover this distant galaxy. As a result, scientists have found that it contains a huge amount of dust.

The dust absorbs the blue waves of starlight while letting through the red waves. This means that a dusty galaxy can mimic high redshift galaxies. Taking this into account, the team calculated that CEERS-DSFG-1 formed just 12.5 billion years ago.

Additional evidence for this theory was provided by a team of astronomers from the Harvard Center for Astrophysics. They also concluded that CEERS-DSFG-1 mimics the record-breaking galaxy. They also found that all of the nearest neighbors of CEERS-DSFG-1 are a young protocluster of galaxies, and CEERS-DSFG-1 is at the center of this cluster.

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12,228 stream processors, 384-bit memory bus, and 192MB fast cache. Possible characteristics of the Radeon RX 7900 XT

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12228 stream processors 384 bit memory bus and 192MB fast cache

Another portion of preliminary details about AMD’s new generation 3D cards has been published on the Web.

12,228 stream processors, 384-bit memory bus, and 192MB fast cache.  Possible characteristics of the Radeon RX 7900 XT

It is assumed that the Radeon RX 7900 XT will be built on the Navi 31 GPU, consisting of one GCD module (the equivalent of CCD in Ryzen processors) with 12,288 stream processors and six MCD modules – each with 16 MB of third-level cache (Infinity Cache) and 64 -bit memory controller. In total, this gives 96 MB of cache memory and a 384-bit bus, but the use of bulk packaging technology will allow each MCD to place another cache chip, as a result, the total volume of Infinity Cahce will be 192 MB.

12,228 stream processors, 384-bit memory bus, and 192MB fast cache.  Possible characteristics of the Radeon RX 7900 XT

Schematic representation of the Navi 31, Navi 32 and Navi 33 GPU layout

This is the full Navi 31 configuration, but there will also be a stripped-down version – with 10,752 stream processors and five MCDs – with 160 MB of Infinity Cache and a 320-bit bus. Such a GPU could form the basis of the Radeon RX 7800 XT.

Navi 32 is another contender for the Radeon RX 7800 XT (or more likely the Radeon RX 7800). It predicts the presence of 7680 stream processors, a 256-bit bus and 64 MB of Infinity Cache (there will be no additional cache memory chips). Finally, the Radeon RX 7700 XT can get a monolithic Navi 33 GPU with 4096 stream processors and 32 MB Infinity Cahce and a 128-bit bus.

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Astronomers have told when the sun will die. But much sooner it will destroy life on Earth

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Astronomers have told when the sun will die But much

European Space Agency astronomers have mapped the life of the Sun as part of the Gaia Milky Way project.

Astronomers have told when the sun will die.  But much sooner it will destroy life on Earth

The main mission of Gaia is to map the Milky Way. Astronomers track the position and movement of stars in the sky while making detailed observations of each star’s brightness and spectral classification. These values ​​can be used to determine factors such as the chemical composition and temperature of stars, which can be used to estimate the age of a star. The mass of a star remains the same with age, but the temperature changes. This value depends on the nuclear fusion taking place in the stellar core, and increases as the star approaches death.

The Sun is classified as a yellow dwarf, about 4.57 billion years old and has a surface temperature of 5772 Kelvin. Astronomers have studied similar stars with low temperatures between 3,000 and 10,000 kelvins. Such stars tend to be smaller and live longer.

Having determined the stars most similar to the Sun, astronomers calculated the time of his death. The temperature of the Sun will peak at about 8 billion years old, after which it will turn into a red giant star at an age of 10 to 11 billion years. Eventually, the star will run out of hydrogen needed for core fusion and die.

According to astronomers, the brightness of the Sun increases by about 10% every billion years. It also increases the temperature of the star and, consequently, the Earth – such changes will make our planet uninhabitable.

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