“Dancing ghosts” captured in distant space: Astrophysicists see such structures for the first time



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Approximately 1 billion light-years from Earth, formally known as PKS 2130-538, it was captured by the Australian Square Kilometer Array Pathfinder Radio Telescope (ASKAP), creating a new Evolution Map of the Universe (EMU).

The researchers described these figures as “hitherto invisible” structures. “We’re seeing these ‘dancing ghosts’ for the first time, and we don’t yet have precise data or ideas about what it could be,” said Ray Norris, head of research in Astrophysics at the University of Western Sydney, at LiveScience. .

But after weeks of research, scientists have found a possible explanation for what those mysterious structures could be: “These are two supermassive black holes at the center of two galaxies that spray out streams of electrons and merge into grotesque shapes due to the wind. intergalactic, “Norris explained. .

The origin of these electrons comes from so-called “radio galaxies” which, like most galaxies, are connected by large black holes billions of times larger than the Sun. These radio galaxies are called because their supermassive black holes emit radiation from the radio wave spectrum.

When particles in a radio galaxy come into contact with an intergalactic stream of dust, structures form that are captured in the last image.

“We still don’t know where that wind is coming from. Why is it so polluted? It will take a lot of research and modeling to understand how these structures form, ”Norris said.

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