A few days ago, NASA celebrated the first anniversary of the successful operation of the James Webb Space Telescope. For that
What is known
James Webb showed scientists the oldest ofever discovered galaxies that formed only 320-450 million years after the Big Bang. But now this discovery is called into question. Researchers believe that the telescope did not discover galaxies, but stars made of dark matter.
James Webb sees the universe in infraredthe range in which the light, flying to the Earth for billions of years, has gone. In early April, we wrote that James Webb confirmed the discovery of the oldest galaxies JADES-GS-z13-0, JADES-GS-z12-0 and JADES-GS-z11-0. The first formed 320 million years after the birth of the universe, and the other two appeared after another 130 million years.
Spectral analysis confirmed the age of the objects.Scientists also found that they are about 100 million times more massive than the Sun. And now Cosmin Ilie, Catherine Freese and Jillian Paulin have put forward their rationale for identifying a trio of ancient space objects.
Scientists believe that JADES-GS-z13-0,JADES-GS-z12-0 and JADES-GS-z11-0 are not galaxies, but dark matter stars. Moreover, they all claim to be the first stars of the universe. Researchers have never seen anything like it.
There are three types of stellar composition of galaxies:population I, population II and population III. So far, no population III stars have been discovered. It is believed that such stars may have other matter instead of hydrogen, which turns into helium. For example, dark matter.
The stars we know burn by reactionsynthesis. It is assumed that dark matter stars burn due to the complete destruction of particles and antiparticles during collisions. Scientists have not yet been able to figure this out, since the instruments of the James Webb space observatory are not able to catch traces of helium at a distance of more than 13 billion light years. Perhaps there is helium, but the instruments of the telescope do not see it.