Astronomer of Conicet La Plata, part of the team that observed the formation of stars
An astronomer from Conicet La Plata participated in the revelation of the image of a clash between two giant jets of gas, several light years long, during the formation of stars, the body Platense reported in a statement.
Manuel Fernández López is the deputy researcher of the Conicet who was part of the revelation of a clash between two huge gas jets called molecular flows, several light years long, a novelty that has just been released in the journal The Astronomical Journal.
The data that allowed researchers to demonstrate the collision were obtained by the ALMA Observatory, a set of 60 antennas located 5,000 meters high in the Atacama desert in northern Chile.
Focused on the study of the behavior of star formation in a region of the Universe located 500 light years from Earth and known as BHR 71, an international team of scientists led by Luis Zapata, of the National Autonomous University of Mexico, discovered that two molecular flows launched from different points intersect. at high speed.
“Star formation is a process that takes about 10 million years, and the emission of gases in the form of a jet occurs in early stages: more or less after about 10,000 years from the beginning,” Fernández López explained.
“The birth of a star begins with immense amounts of gas and dust that are in space and that at one point collapse by its own weight and are concentrated in the center by the effect of the force of gravity,” he said and explained that this attraction “shapes a flattened disc that rotates at great speed, and in which more and more material remains. which is attracted, where it is produced what will be the shining star.”
But in this movement not all gas and dust is absorbed by the center: the faster particles come out perpendicular to the disc and up and down. These ejections are the jets or molecular flows.
“They are thrown at hundreds of kilometers per second, and can measure tens of light years, far exceeding the average distance between two stars, which is 4 light years. They are very bright,” said Fernández López.
The observation that the new study reports accounts for what happens between two of these incipient stars, which lack a long time to become such.
In addition to being a curiosity never before photographed, finding is important for the study of star and galaxy formation.
“By the force with which they travel, molecular flows cause turbulence. In space there are clusters of matter that are necessary to give rise to new generations of stars, and precisely the agitation of the jets could disperse them, which would reduce them in proportion,” concluded the researcher.
Argentina, licenciada en Comunicación Social y correctora. Me apasiona la escritura, la propia y la ajena. Mi amor por las palabras, por las frases mágicas y perfectas, me llevó a dirigir mi carrera profesional hacia la redacción, a lo que luego sumé la corrección para mejorar mis textos y, también, los de otros autores. Porque una imagen no siempre vale más que mil palabras. Gracias por leerme.
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