The discovery was made using the James Webb Telescope (JWST). Scientists have seen that disk or spiral galaxies like the Milky Way do not form randomly and evolve faster than thought.
Bars are responsible for the formation of galaxies, which are long strings of stars found in disk or spiral galaxies. The rods regulate star formation in the galaxy by pushing gas into the central region; Their presence indicates that galaxies have reached a calm and mature stage.
It was previously believed that bars existed in galaxies formed 8-9 billion years ago. Such data was obtained using the Hubble Telescope, but because of the higher sensitivity and expanded wavelength range that JWST can provide, astronomers have seen this phenomenon extend even further into the Universe’s past.
The existence of bars at an earlier age in galaxies indicates their faster and more structured development and correspondingly less chaos than currently believed. Therefore, scientists may re-evaluate existing theories.
“Galaxies in the early universe are maturing much faster than we thought. This is very surprising because at this stage one would expect the Universe to be very turbulent, with lots of collisions between galaxies and lots of gas that has not yet formed into stars. But thanks to the James Webb Space Telescope, we can see many of these lines much earlier in the life of the Universe; This means that galaxies are at a quieter stage in their evolution than previously thought. This means we need to change our views on the early evolution of galaxies,” said Zoe Le Conte.
Source: Ferra
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