Astronomers have discovered a dwarf system called FCC 224, which lies around 60 million light years from the earth. Scientists have not found dark matter in this galaxy, the most important part needed to create galaxies.
The results of the research were published In the magazines Astrophysical Journal and Astronomy & Astrophysics, writes Physically.
According to scientists, spherical star clusters are often used to estimate the amount of dark matter in galaxies. We remind you that this form of matter is invisible and that its existence can only be assessed by the gravity influence on ordinary matter, which forms stars and the entire visible universe.
Astronomers have found an incredibly large number of spherical star clusters in the Dwarf Galaxy FCC 224, but they have also not found a dark thing. At least, no dark business has been detected in the inner part of the Melkweg.
Traditional models from Galaxy Formation cannot explain how FCC 224 arises, scientists say. This is because dark matter is considered the most important ingredient that helps create galaxies.
Previously, astronomers had only discovered two dwarf systems, DF2 and DF4, which are part of the NGC 1052 Galaxy Group, where dark matter was not detected either. Astronomers decided to check how comparable the Galaxy FCC 224 is with the two above -mentioned galaxies.
As a result, scientists discovered that FCC 224 has the same spherical star clusters as DF2 and DF4. Scientists believe that these types of star clusters may be related to the lack of dark matter in galaxies, but this challenges existing theories that explain the evolution of galaxies.
Astronomers have measured the movement of stars in galaxies, which can be used to determine the amount of dark matter, and have found every indication that this form of matter is not there.
Scientists cannot currently explain how the Galaxy FCC 224 was formed. Astronomers suggest that a collision with a different galaxy could have led to the separation of dark and normal matter, but this hypothesis requires confirmation by further observations.
The new discovery suggests that galaxies without dark matter in the universe occur more often than before. This raises the question: Is dark matter really necessary for the formation of galaxies?
Scientists are planning to continue to look for similar galaxies to understand the role of dark matter in their formation and find out how they have actually been created.
