Strong X -ray!From the black hole, ripples stirred in the dust of the galaxy

The concentric ripples in the space like ripples in the water

The outbreak of the black hole stirred up the concentric ripples in the galaxy dust.

The concentric ripples in the galaxy dust that burst out of the black hole. (Picture source: NASA /CXC/u.wisc-madison/s.heinz and others; optical/infrared: Pan Starrs)

NASA released a new image of ripples in the dust cloud observed in 2015, which produced an outbreak from the black hole X -ray and unexpectedly.

After the comprehensive observation of NASA's main Qiantra X -ray Observatory and Hawaii pan -star optical telescope, this image was obtained. Observe the surrounding stars, and in the background, the blue concentric ring dust next to the V404 Swan seat black hole (Chandra view) is clearly visible (found in the pan -star telescope).

NASA stated in the official statement that Tongxinyuan showed information about the dust between the earth and the V404 swan seat. It seems that this is a two -dimensional image. In fact, these aura is scattered in a space with a width of 7,800 light years, separating the earth from the black hole.

After observation: What information can we get?

The aura reflects the way the X -ray generated by the black hole broke out to the entire Milky Way. X -rays are rebounded in the dust particles concentrated in the cloud, just like sound waves have echoed. Therefore, the size of the aura is corresponding to the distance between the earth and every dust cloud. The smaller aura represents the position of the cloud group with a distance from the clouds, and a large aura represents a cloud cluster closer to the earth.

NASA explained in the statement that because the outbreak of the X -ray explosion only lasted a relatively short time, the so -called light returned waves were displayed as a narrow ring, not a wide ring or halo.

This extremely powerful X -ray eruption was on June 5, 2015. For the first time, it was investigated by NASA's Space Telescopic Telescopic Telescopic Telescope Neil Gels Swift Observatory. Chandella observed the event from July 11, 2015 to 25. However, the brightness of the incident forced Chandella's operators to place the V404 swan seat system between the telescope detector to prevent damaging the instrument when the strong explosion occurred again.

The size of the ring reflects the distance between the dust and the earth.

The size of the ring reflects the distance between the dust and the earth. (Picture source: NASA)

NASA stated that as medical X -ray images can reflect the characteristics of various tissues in the human body, Chandra observations have also allowed astronomers to understand the characteristics of dust clouds. Thanks to researchers compare the brightness of X -rays in a series of wavelengths with computer models of various chemical components Starckers.

Due to different ways of absorbing X -rays, scientists can further understand the composition of these clouds. The research team believes that these dusts are likely to contain mixtures with graphite and silicate particles. In addition, scientists used Qian Della to analyze the inner ring and found that the density of dust clouds was uneven in all directions.

Since 2015, several studies based on observation results have been published.

Related Information:

V404 Swan seat is a double -star system, consisting of a black hole weighing nine sun and a partner of about half of the sun. Black holes absorb the stars, which is due to the X -rays from the black hole inhale.

V404 Swan is a microcosmos and a double star system in the swan seat. It contains a black hole with a mass of about 9 meters and an early K superstar companion with a slightly smaller quality than the sun. The stars and black holes are rotated around each other at a considerable distance every 6.47129 days. Due to their neighborhood and the strong gravity of black holes, the quality of the accompanying stars lost to the accumulation of the black hole around the black hole, and eventually lost to the black hole itself. [9] The "V" in the name indicates that it is a variable star, which will continue to bright and darker over time. Some people think it is a new star, because in the 20th century, it produced at least three bright energy outbreaks. This is a soft X -ray transient, because the short -time X -ray explosion it emits is periodic.

In 2009, the black hole in the V404 Swan seat system became the first black hole to accurately see the distance between the scientists to accurately see the distance from the solar system. Through the measurement method of the ultra -long baseline interference measurement method of the high -sensitivity arrays, the distance is 2.39 ± 0.14 kilowatt seconds, and [10] or 7800 ± 460 light years.

related information

Black holes are extremely powerful gravitation in time and space, so that all particles and even electromagnetic radiation such as particles and light cannot escape. The general theory of relativity predicts that the tight quality can distort time and space to form a black hole; the boundary that cannot escape from the area is called an event vision. Although the event field has a huge impact on the fate and situation of the objects that cross it, the observations of the region seem to fail to detect any characteristics. In many aspects, the black hole is like an ideal black body, it does not reflect.

By: Tereza Pultarova

Fy: Mu Yishan

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