Astronomers discover five rare galaxies that "interact with each other" and challenge the dominant model of the Universe

Astronomers have discovered an extremely rare group of five "dwarf" galaxies that "interact with each other." This discovery challenges the prevailing model of the Universe.

The dwarf galaxies found contain several billion stars, while standard galaxies have hundreds of billions, giving them a low mass. They are located at a distance of approximately 117 million light years from Earth, writes DailyMail.

According to the scientists, the newly discovered galaxies, labeled D1 through D5, are blue, gas-rich, and actively forming new stars.

Interestingly, D3 and D4 have developed "tidal tails" and show signs of mutual tidal interaction. This means that their respective gravitational forces pull each other and distort the shapes of the galaxies.

Scientists emphasize that it is very rare for dwarf galaxies to appear in groups. Studies show that less than five percent are neighbors with others. The probability that a dwarf galaxy will be so close to four others is less than 0.004 percent, experts say.

"We have identified a distinct group of dwarf galaxies in which all five members are located along a straight line in the celestial plane, and three share a common direction of rotation," the researchers said.

The discovery of this extremely unique group makes scientists question the typical model of our Universe. But this fact should also help us better understand how dwarf galaxies form and evolve.

The experts' analysis revealed that the largest member of the group, the D2 galaxy, has a stellar mass of approximately 275 million solar masses. The least massive, D4, has 14.7 million solar masses.

For comparison, according to NASA, our galaxy, the Milky Way, has a stellar mass of about 1.5 trillion solar masses.

According to scientists, more than 20 known dwarf galaxies orbit the Milky Way. However, they are geographically and gravitationally separated from each other, and not grouped together, as the newly found ones, scientists say.

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