Quite detailed, thank you for this epic ray picture, let us know the distant galaxy

High -definition ray images let us see more detailed distant galaxies

Epic ray pictures make the distant galaxy set in the slightest

FM radiation ray waves reveal the mysterious veil of the universe, and present it to the world's eyes.

The eruption of the Black Hole of Wuxian A was captured and took high -resolution photos by low -frequency search and ranging radio telescope (Lofar). The photo reveals that this eruption will become stronger every hundreds of thousands of years, and this diversity has created a eruption structure. (Image copyright: R. Timan; LOFAR & Hubble Space Telescope)

The most detailed radio images of the outer galaxy have been captured and photographed by 70,000 radio antenna networks distributed in 9 countries across Europe.

The image shows the part of the universe that the optical telescope cannot see, and allows humans to peep at some of the most mysterious phenomena in the universe, such as the event of a large quality black hole in the center of the galaxy.

A astronomer group behind Lofar spent ten years to generate these pictures by the radio telescope network managed by the Dutch Astronomy Society.

Lee Moracito, assistant professor at the Department of Physics at the University of Dalham University, is committed to improving the standard resolution of Lofar images. By adding more antennas and the help of supercomputers, their team increased the resolution by 20 times.

Morayito wrote that these pictures provide the highest resolution ever in the history of 88 to 108 MM from 88 to 108 MMC, which is used for radio broadcasting on the earth. Of course, she also added that the biggest achievement is to combine this high -resolution with a wide field of vision.

"That's unique!" Moracito said, "It will allow us to complete the detection of the entire northern sky within a few years. It is not possible to detect it logically. At present and in the plan, there is no radio telescope at the same time.

Various celestial bodies, including stars, some planets, and black holes, will emit radio waves. These radio waves are invisible for optical telescopes. Different from visible light, these radio waves through the dusty clouds and gas groups show us the hidden side of the universe.

The picture shows the difference between the image of the standard resolution and the latest high -resolution image taken by the LOFAR radio telescope.

(Photo copyright: L. K · Moracito, LOFAR survey KSP)

The large quality black hole is one of the largest energy sources of radio waves in the universe. Lofar pictures are therefore focusing on it, trying to find the spraying substances emitted from these black holes, and these optical telescopes are not detected.

"We can magnify these high -resolution images to see the real situation of the radio waves when the large -quality black hole launch. This was absolutely impossible to use the frequency adjustment radio band." · Jackson, also participated in the cooperation of the project, pointed out in an article published in "Astronomy".

Lofar usually only uses the Netherlands antenna, but this also limits the diameter of the virtual telescope lens to only 75 miles (120 kilometers), and the diameter of the telescope limits its resolution.

A photo of a Lofar radio telescope. (Image copyright: lofar)

Of course, astronomers have found the way to integrate the antenna of the nine countries in Europe, which allows them to increase the diameter of the lens to 1200 miles (2000 kilometers) and increase the resolution to 20 times better than 20 times better. Essence

The detection completed by separate antennas has been completed digital transformation and merged into the final high -resolution image. Completing this strong move is not easy. Scientists have to process 1.6TB of data per second, which is equivalent to more than 300 DVDs.

"To process such a huge data, we have to use a super computer." Frits Sweijen at Leiden University in the Netherlands wrote in the report, "These enable us to change the TB -level data that can be transmitted by antenna within a few days. For scientific data with only a few GB size. "

Morabito finally said that it takes about 3,000 detection to draw a complete northern sky image. The image and scientific papers they have completed are published in the special issue of "Astronomical and Astronomical Physics Magazine".

By: Tereza Pultarova

Fy: ishuca · Liu

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