After observing the movement of galaxies around each other, researchers have determined that galaxies have their own sense of rhythm.
Their research was published in the journal Nature.
Galaxies reportedly "dance" around bigger galaxies in a disk-like pattern, according to the study.
The new discovery doesn't support the common model that explains the movement of galaxies Small galaxies swarm around the large ones, according to the conventional model.
There are over one billion galaxies in the universe. Some galaxies are huge, while others are dwarf, though even the dwarf galaxies have several billion stars.
For a long time scientists have been trying to figure out how dwarf galaxies move around the larger ones.
"Early in 2013 we announced our startling discovery that half of the dwarf galaxies surrounding the Andromeda Galaxy are orbiting it in an immense plane," said one of the researchers Geraint Lewis, according to
The plane has a diameter of more than one million light years, with a thickness of about 300,000 light years, according to Lewis.
The researchers used data from Sloan Digital Sky Survey to dissect properties of nearby galaxies. They figured out that a large number of the satellite galaxy pairs had oppositely directly velocities and were located on the opposite ends of the host galaxy, according to the study.
"Everywhere we looked we saw this strangely coherent coordinated motion of dwarf galaxies," Lewis said. "From this we can extrapolate that these circular planes of dancing dwarfs are universal, seen in about 50 percent of galaxies."
The discovery is a problem since it contradicts the cosmological models and challenges what scientists thought they knew about dark matter, according to Lewis.
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