The cause of the death of massive galaxies in the early Universe

(ORDO NEWS) — In the early Universe, there was a very active development of massive galaxies. The stars appeared at an incredible speed, but after a while they stopped growing and gaining further mass.

Experts have observed six ancient galaxies that have already “gone out”. They appeared in the first three billion years after the Big Bang. It was possible to establish that they actually contain a minimum amount of cold gas, which is used in order to support the process of star formation.

This completely contradicts those ideas about the early Universe, which say that there was always more than enough “fuel” for the emergence of stars. The results of the study were published in the scientific journal Nature.

Experts have selected six galaxies from the REQUIEM project. In order to be able to fully observe them, the effect of gravitational lensing was applied, which helped to amplify the light emitted by ancient objects. Due to this, scientists can obtain the most detailed information regarding which processes take place in them.

When new stars do not appear in the galaxy for a long time, this becomes the reason that it noticeably dims. Today, experts are trying to establish why the massive galaxies that emerged after the Big Bang were left almost completely without cold gas.

A possible reason for this is that at first they burned too much fuel reserves or threw it in huge quantities into the intergalactic environment.

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