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Sunday, February 25, 2018

Astrophysicists have shown on video, as black hole devours cosmic jellyfish


A group of researchers from the European southern Observatory, modeled on the so-called galaxy-Medusa absorbed by a supermassive black hole. The researchers also prepared a video based on your model which helps to understand how the space jellyfish are formed.


photo: youtube.com

Galaxy-jellyfish got its name because of the unusual luminous “tails”, somewhat reminiscent of tentacles. Today we know of several such objects, however, the specialists focused primarily on one of them — a galaxy called JO194. It is with high speed drops into the nearest cluster of galaxies. Overly rapid movement starts inside the galaxy series of processes, and the result is a supermassive black hole located at its center, begins to devour the surrounding gas and other matter. All this leads to the fact that the galaxy is deformed and acquires a characteristic shape.

Needed to create computer models of the data were obtained by scientists through scientific instrument MUSE (Multi Unit Spectroscopic Explorer) and the Very large telescope (Very Large Telescope, VLT). This Observatory allows you to observe seven different galaxies, jellyfish, and supermassive black holes are in the center of the six of them — according to scientists, this is a very high percentage, considering that usually supermassive black holes to detect possible far not in each galaxy.

His research scientists published in the journal Nature. Experts hope that their findings will help to better understand exactly how there are “space jellyfish” and what changes to expect such galaxies in the future.

Very Large Telescope complex consisting of four separate “main” telescopes with a diameter of 8.2 meters and four auxiliary 1.8 meters in diameter. It is set on the mountain Cerro Paranal a height of 2635 metres in Chile. Among optical telescopes of the VLT is the largest on Earth by the total area of the mirrors, and has the highest resolution in the world.

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