The team of astronomers claims that he has found several pairs of galaxies in the final stage of merging together into individual, larger galaxies.
The research team added that such a phenomenon was visible for the first time. They claim they have captured a pair of supermassive black holes, approaching before they merge into a huge black hole.
We see the two nucleus of the galaxy exactly when the images were taken. You can not argue with it; It's a very "clean" result
The scientists said that each of the black holes had once occupied the center of one of the two original, smaller galaxies.
Michael Koss, a researcher at Eureka Scientific University, said the team was researching hundreds of nearby galaxies using images from V.M. Keck Observers in Hawaii, as well as the NASA-Inuit Space Telescope.
"Looking at the pairing of the nuclei of the galaxy connected with these huge black holes so close, it was incredible," Koss said. "In our study, we see two cores of the galaxy when the images are being shot. You can not argue with it, it's a very" clean "result that does not rely on interpretation."
High resolution images also provide a large overview of the phenomena that the astronomers were suspected of being more common in the early universe when galaxy clusters were frequent.
When the black holes finally collide, they will free up powerful energy in the form of gravitational waves
"When the black holes finally collide, they will free up powerful energy in the form of gravitational waves, waves in space-time recently discovered by double-detectors of gravitational-wave observers (LIGOs) of laser interferometers," the researchers said.
"The images also point to what is likely to happen in billions of years, when our Milky Way galaxy connects to the nearby Andromeda Galaxy."
It has been added that both galaxies make supermassive black holes in their center, which will eventually collapse and merged into a larger black hole.
The results of the study suggest that more than 17 percent of these galaxies accommodate a couple of black holes in their center, which in the later stages of the spiral are even closer, before they merge into an ultra-black black hole.
What really enabled this study was X-rays that could break the corn of dust
The researchers said they were surprised that they found such a high level of slow merging, as most of the simulations suggest that the black hole pairs spend very little time at this stage.
To check their results, they compared research galaxies with a control group of 176 other galaxies, from the Hubble archive, which lack active black holes. In this group, only about one percent of the examined galaxies suspect that hosts of black hole pairs in later stages of merging together.
This last step has helped researchers to confirm that the luminous galactic nuclei are found in their list of dusty galaxies that interact, indeed, the signature of fast-growing pairs of black holes moving for collision.
According to the research, this finding is in line with theoretical predictions, but so far it has not been confirmed by immediate observations.
"People conducted studies to look for these close black holes that were soon interacting, but what really enabled this study were X-ray rays that could break the dust of corn," explained Koss.
"We also looked a bit far in space, so we could see more space, giving us a greater chance to find more bright, fast-growing black holes."
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