Echoes of light.
Echoes of light.
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A team of astronomers has captured a spectacular set of rings around the black hole of the binary system called V404 Cygni, located about 7,800 light years away, to capture them using the Chandra X-ray space observatories of NASA and the Swift Built by the United States, United Kingdom and Italy.
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The system is composed of two elements a black hole and a star that has about half the mass of the sun, the black hole is pulling material away from the star and that material forms a disk around the black hole shining in the form of rays x, which is why astronomers refer to these systems as x-ray binaries.
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On June 5, 2015, the Swift observatory captured a burst of x-rays from V404 Cygni, the product of an explosion that created the high-energy rings that we see in the image from a phenomenon known as light echoes. I did something similar to the echo of sound waves bouncing off a mountain cliff, only these x-ray echoes bounce off the dust clouds between the binary system and the earth.
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Although it must be clarified that cosmic dust is not like household dust, cosmic dust is more like smoke, its solid particles are much smaller than the dust in our houses and in this specific case contain mixtures of graphite and grains of silicate, the rings in the image not only inform astronomers about the behavior of the black hole, they also give us an idea about what the landscape is like in V404 Cygni and the earth.
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Wonderful indeed. I wonder how many years before we fully understand this black holes and be able to look further light-years into space.