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[글로벌] The 12 trillion won James Webb Space Telescope collided with a micrometeorite.

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/foto = Fornecido por D-Minute

/photo = Contributed by D-Minute

It is known that the James Webb Space Telescope, which was not released for large-scale observation, recently collided with a small micrometeorite.

A micrometeorite is a rocky mass smaller than a grain of sand about 1 mm in size, orbiting the solar system. A collision with small meteors scattered throughout the solar system was expected, but this collision was analyzed to be above the expected range.

On the ninth day, the meteor collided with C3, one of the 18 mirrors that make up the primary mirror of the James Webb Space Telescope from the 23rd to 25th of last month, according to the National Aeronautics and Space Administration (NASA) and foreign media. . The James Webb Space Telescope has encountered a micrometeorite five times since its launch last December, and this telescope was the largest.

The task force announced that the impact of the collision was mitigated by adjusting the C3’s mirrors to compensate for the dent from the crash.

The James Webb Space Telescope is located at the second Lagrange point (L2), where the gravitational pull of the Earth and Sun is balanced. Because L2 is about 1.6 million kilometers from Earth, it cannot be captured by a space shuttle like the Hubble Space Telescope. L2 is also an environment in which dust-sized particles travel at very high speeds. The James Webb Space Telescope was built with this in mind, but it surprised scientists when it encountered a larger-than-expected microtoroid.






NASA said it is conducting an analysis with a panel of experts to find ways to reduce the impact of micrometeor impacts in the future.

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“Even after the successful launch, deployment and alignment of the mirrors, James Webb’s initial performance continues to exceed expectations and is designed to perform flawlessly,” NASA said. He added that the launch is still going smoothly.

The James Webb Space Telescope is the largest and most powerful space telescope in human history. In addition to NASA, countries around the world, including the European Space Agency (ESA) and the Canadian Space Agency (CSA), have collaborated on this next-generation telescope, whose main task is to observe the events that took place in the early days. . Universe.

We are excited to see the surviving planets that the James Webb Space Telescope will find in the future.

Source = Bamboo Media
Rating = Reporter Hyunggi Kim [email protected]

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Apple releases an update that will “save” your iPhone

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Not so long ago, Apple released the iOS 16 update for older iPhone models, at the same time that the new iPhone 14s were released. However, as we are used to, the first versions of the new iOS always cause some problems.

A few hours after the arrival of this update, many users have already complained about various problems. Among the most serious are severe camera shake on the iPhone 14 Pro and Max, as well as difficulties with recognizing touches on the screen of some models.

In the case of newer iPhones, the problem with their rear camera appeared whenever they used a non-genuine Apple app. In terms of screen issues, iPhone X, XR, and 11 users have reported them, but only on devices that have had their screen replaced.

iOS 16.0.2 has been released to fix all the problems that have been wrecking the iPhone.

There were a lot of users who got desperate because of the many problems that the update brought to their smartphones, so it’s no surprise that Apple wasted no time in releasing a new update. This update came in the form of iOS 16.0.2, essentially fixing every known issue, big and small.

While the issues with the rear camera and touch screen response were clearly the biggest ones, they weren’t the only ones. Many users have also reported issues with copy/paste, VoiceOver, and even screen brightness levels during device setup.

Issues fixed by iOS 16.0.2 update on various iPhones

  • The rear camera on iPhone 14 Pro and iPhone 14 Pro Max had strong unexplained vibrations when using third-party apps.
  • The screen of the smartphone was completely dark during the setup process
  • Copying and pasting text between applications resulted in endless authorization requests, making it impossible to use
  • The VoiceOver feature was unavailable after restarting the device.
  • iPhone X, XR, and 11 screens are now responsive to touch even after panel replacement.
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James Webb captures the sharpest image of Neptune’s rings in decades!

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James Webb captures the sharpest image of Neptune's rings in decades!
James Webb Space Telescope
The James Webb Space Telescope is the world’s first space science observatory.

The most impressive thing about the new Image captured by Webb is a clear image of Neptune’s rings – some of which have not been discovered since Voyager 2 as well as NASA became the first spacecraft to observe Neptune during its flight in 1989.. In addition to several bright, narrow rings, the Webb image clearly shows Neptune’s faintest dust lanes.

“It’s been three decades since we last saw those dull dusty rings and this is the first time we see them in infrared“, notes Heidi Hummel, Neptune systems expert and Webb multidisciplinary scientist. The extremely stable and accurate quality of the Webb image makes it possible to detect these very faint rings so close to Neptune..

Neptune

Neptune has fascinated explorers since its discovery in 1846.. Located 30 times farther from the Sun than Earth, Neptune orbits in a distant, dark region of the outer solar system. At this far distance, the Sun is so small and dim that noon on Neptune is like a dark twilight on Earth.

this is planet characterized as an ice giant due to the chemical composition of its innards. Compared to the gas giants Jupiter and Saturn, Neptune is much richer in heavier elements than hydrogen and helium. This is immediately visible in The blue signature of Neptune in visible wavelength images from the Hubble Space Telescope, caused by a small amount of methane gas..

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images de Webb Near Infrared Camera (NIRCam) are objects in the near infrared range from 0.6 to 5 microns, so Neptune doesn’t look blue to Webb. Actually, methane gas absorbs red and infrared light so strongly that the planet is quite dark at those wavelengths in the near infrared range, except when there are clouds at high altitude.

Such clouds of methane ice are visible as streaks and bright spots that reflect sunlight before being absorbed by methane gas.. Images of other observatories, including Hubble Space Telescope this is W. M. Keck Observatoryhave recorded these rapidly changing cloud characteristics over the years.

Pictures taken by the James Webb Space Telescope

What’s more, the thin glowing line around the planet’s equator could be a visual sign of the global atmospheric circulation that powers Neptune’s winds and storms. The atmosphere sinks and heats up at the equator, so it glows brighter in the infrared than the surrounding cooler gases..

neptune rings
Image of Neptune’s rings taken by the James Webb Space Telescope. Credits: NASA, ESA, CSA, STScI.

Neptune’s 164-year orbit means its north pole at the top of the image above is out of astronomers’ view. but Webb’s images suggest an intriguing brightness in this area.. From Webb’s point of view, the previously known vortex at the South Pole is obvious, but Webb first discovered a continuous band of high-latitude clouds around him..

[O telescópio espacial] James Webb continues to amaze with his discoveries. This time it gave us a wider and clearer view of Neptune.

Webb will unravel the mysteries of our solar system, look beyond distant worlds around other stars. and penetrate the mysterious structures and origins of our universe and our place in it. Webb is an international program led by NASA and its partners, ESA (European Space Agency) and Canadian Space Agency.

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A drop of water on an asteroid? Japanese probe finds footprints in asteroid dust – Observer

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A drop of water on an asteroid?  Japanese probe finds footprints in asteroid dust - Observer

The story began 8 years ago. Japan sent a probe into space in 2014 Hayabusa-2. Target? Examine the asteroid Ryugu. The plan was fulfilled, the sampling was carried out, and two years ago the space probe again entered the Earth’s orbit. At that moment, a capsule was launched with samples collected in Ryugu and which had been the object of analysis and study for many years.

Now the latest study, published in the journal Science, reveals a surprising fact: 5.4 grams of rocks and dust collected from the asteroid contained a drop of water.

“That drop of water has a lot of meaning.” During the press conference, leading scientist Tomoki Nakamura made no secret of his delight at the discovery. According to a University of Tokyo researcher, this drop of water could change our view of the origin of life. “Many scientists believe that water was brought from space, but we first detected water on Ryugu, a near-Earth asteroid.”

The drop, Nakamura explained, “was carbonated water containing salt and organics.” This is an argument in favor of those who defend the hypothesis that during collisions asteroids could bring water to Earth, with salt and organics, added the scientist, who leads a team of 150 people of different nationalities.

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“We found evidence that this could be directly related, for example, to the origin of the oceans or organic matter on Earth,” Nakamura concluded.

According to Nikkei Asia, a drop of water was found in a ferrous sulfate crystal carving and is estimated to be 4.6 billion years old. Ryugu patterns will continue to be studied.

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