Astronomers first discovered Cha 1107-7626 in 2008, and since then, they have observed it with different telescopes to learn more about how the infant planet evolves, as well as to study its surroundings.
The research team observed the planet with Webb in 2024, making a clear detection of the surrounding disk. Next, the researchers studied it using the X-shooter spectrograph on the Very Large Telescope, which can capture different wavelengths of light emitted by an object ranging from ultraviolet to near-infrared.
The observations detected a puzzling event as the planet transitioned from a steady accretion rate in April and May to a burst of growth between June and August.
рефрижератор перевозки “I fully expected that this is a short-term event, because those are much more common,” Scholz said. “When the burst kept going through July and August, I was absolutely stunned.”
Follow-up observations made using the Webb telescope also showed that the chemistry of the disk had changed. Water vapor, present during the growth spurt, wasn’t in the disk before. Webb is the only telescope capable of capturing such detailed changes in the environment for such a faint object, Scholz said. Prior to this research, astronomers had only ever seen the chemistry of a disk change around a star, but not around a planet.
Comparing observations from before and during the event showed that magnetic activity seems to be the main driver behind how much gas and dust is falling on the planet — a phenomenon typically associated with stars as they grow.
But the new observations suggest that objects with much less mass than stars — the rogue world is less than 1% the mass of our sun — can have strong magnetic fields capable of driving the growth of the object, according to the study authors.
An infrared image taken with the Visible and Infrared Telescope for Astronomy shows Cha 1107-7626, a dot located in the center. An infrared image taken with the Visible and Infrared Telescope for Astronomy shows Cha 1107-7626, a dot located in the center. ESO/Meingast et al. A planet that acts like a star The origin of rogue planets remains murky. It’s possible they are planets that are kicked out of orbit around stars due to the gravitational influence of other objects. Or perhaps they are the lowest-mass objects that happen to form like stars. For Cha 1107-7626, astronomers said they think it’s the latter.
“This object most likely formed in a way similar to stars — from the collapse and fragmentation of a molecular cloud,” Scholz said.
A molecular cloud is a massive, cold cloud of gas and dust that can stretch for hundreds of light-years, according to NASA.
“We’re struck by quite how much the infancy of free-floating planetary-mass objects resembles that of stars like the Sun,” Jayawardhana said in a statement. “Our new findings underscore that similarity, and imply that some objects comparable to giant planets form the way stars do, from contracting clouds of gas and dust accompanied by disks of their own, and they go through growth episodes just like newborn stars.”
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Adrianwrock AdrianwrockLF
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14.10.2025 13:15:45
Astronomers have observed a planet that in some ways behaves more like a star — including a massive growth spurt unlike anything witnessed before in a free-floating planet.
The rogue planet, which does not orbit any star, is called Cha 1107-7626 and is outside of our solar system, 620 light-years from Earth in the Chamaeleon constellation. A single light-year, or the distance light travels in one year, is equal to 5.88 trillion miles (9.46 trillion kilometers).
The planet has a mass five to 10 times that of Jupiter, the largest planet in our solar system. And it’s getting bigger every second, according to new research published Thursday in The Astrophysical Journal Letters.
Estimated to be 1 million to 2 million years old, Cha 1107-7626 is still forming, said study coauthor Aleks Scholz, an astronomer at the University of St. Andrews in Scotland. It may sound old, but astronomically speaking, the planet is in its infancy. By contrast, the planets in our solar system are about 4.5 billion years old.
построить дом из газобетона цена Cha 1107-7626 is surrounded by a disk of gas and dust, which constantly falls onto the planet and accumulates during a process that astronomers call accretion. But the rate at which the young planet is growing varies, the study authors said.
Observations with the European Southern Observatory’s Very Large Telescope in Chile’s Atacama Desert, along with follow-up views conducted by the James Webb Space Telescope, showed that the planet is adding material about eight times faster than a few months earlier and gobbling up gas and dust at a record rate of 6.6 billion tons (6 billion metric tons) per second.
Related article The Earth-size exoplanet TRAPPIST-1 e, depicted at the lower right, is silhouetted as it passes in front of its flaring host star in this artist’s concept of the TRAPPIST-1 system. Earth-like exoplanet could be habitable, and astronomers may know soon
The unusual burst of activity is the strongest growth rate ever recorded for a planet of any kind, said lead study author Victor Almendros-Abad, an astronomer at the Palermo Astronomical Observatory of the National Institute for Astrophysics in Italy, and is shedding light on the tumultuous formation and evolution of planets.
“We’ve caught this newborn rogue planet in the act of gobbling up stuff at a furious pace,” said senior coauthor Ray Jayawardhana, provost and professor of physics and astronomy at Johns Hopkins University, in a statement.
“Monitoring its behavior over the past few months, with two of the most powerful telescopes on the ground and in space, we have captured a rare glimpse into the baby phase of isolated objects not much heftier than Jupiter. Their infancy appears to be much more tumultuous than we had realized.”
WesleyTup WesleyTupFT
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14.10.2025 13:15:48
The trial of Bryan Kohberger – the man who brutally murdered four University of Idaho students inside their off-campus home – ended in July before it ever truly began when he accepted a plea deal that saw him sentenced to four consecutive life terms in prison without the possibility of an appeal or parole.
Kohberger sat impassively throughout the hearing as the loved ones of each of the four students whose lives he so callously ended repeatedly asked him the same question: Why?
And when he was finally given the opportunity to answer their questions, he said, “I respectfully decline.”
That decision further fueled the mystery around his motive for murdering Xana Kernodle, Madison Mogen, Ethan Chapin and Kaylee Goncalves.
“There’s no reason for these crimes that could approach anything resembling rationality,” Idaho District Judge Steven Hippler said during Kohberger’s sentencing. “The more we try to extract a reason, the more power and control we give to him.”
But, he added, investigators and researchers may wish to study his actions – if only to learn how to prevent similar crimes from occurring in the future.
tripskan Indeed, academics and former FBI profilers told CNN the challenge of unravelling the criminal mind of a man like Bryan Kohberger is enticing. And while his trial may be over, in many ways, the story of what can be learned from his crimes may have only just begun.
“We want to squeeze any silver lining that we can out of these tragedies,” said Molly Amman, a retired profiler who spent years leading the FBI’s Behavioral Threat Assessment Center.
“The silver lining is anything we can use to prevent another crime. It starts with learning absolutely, positively everything about the person and the crime that we possibly can.”
CNN Only Kohberger knows Even seasoned police officers who arrived at 1122 King Road on November 13, 2022, struggled to process the brutality of the crime scene.
All four victims had been ruthlessly stabbed to death before the attacker vanished through the kitchen’s sliding glass door and into the night.
“The female lying on the left half of the bed … was unrecognizable,” one officer would later write of the attack that killed Kaylee Goncalves. “I was unable to comprehend exactly what I was looking at while trying to discern the nature of the injuries.”
Initial interviews with the two surviving housemates gave investigators a loose timeline and a general description of the killer – an athletic, White male who wore a mask that covered most of his face – but little else.
Police later found a Ka-Bar knife sheath next to Madison’s body that would prove to be critical in capturing her killer.
One of the surviving housemates told police about a month before the attacks, Kaylee saw “a dark figure staring at her from the tree line when she took her dog Murphy out to pee.”
“There has been lighthearted talk and jokes made about a stalker in the past,” the officer noted. “All the girls were slightly nervous about it being a fact, though.”
But after years of investigating the murders, detectives told CNN they were never able to establish a connection between Kohberger and any of the victims, or a motive.
Kohberger is far from the first killer to deny families and survivors the catharsis that comes with confessing, in detail, to his crimes. But that, former FBI profilers tell CNN, is part of what makes the prospect of studying him infuriating and intriguing.
WilliamNarne WilliamNarneLZ
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14.10.2025 13:32:54
MichaelPap MichaelPapPQ
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14.10.2025 13:44:05
Astronomers first discovered Cha 1107-7626 in 2008, and since then, they have observed it with different telescopes to learn more about how the infant planet evolves, as well as to study its surroundings.
The research team observed the planet with Webb in 2024, making a clear detection of the surrounding disk. Next, the researchers studied it using the X-shooter spectrograph on the Very Large Telescope, which can capture different wavelengths of light emitted by an object ranging from ultraviolet to near-infrared.
The observations detected a puzzling event as the planet transitioned from a steady accretion rate in April and May to a burst of growth between June and August.
грузоперевозки 20 тонн “I fully expected that this is a short-term event, because those are much more common,” Scholz said. “When the burst kept going through July and August, I was absolutely stunned.”
Follow-up observations made using the Webb telescope also showed that the chemistry of the disk had changed. Water vapor, present during the growth spurt, wasn’t in the disk before. Webb is the only telescope capable of capturing such detailed changes in the environment for such a faint object, Scholz said. Prior to this research, astronomers had only ever seen the chemistry of a disk change around a star, but not around a planet.
Comparing observations from before and during the event showed that magnetic activity seems to be the main driver behind how much gas and dust is falling on the planet — a phenomenon typically associated with stars as they grow.
But the new observations suggest that objects with much less mass than stars — the rogue world is less than 1% the mass of our sun — can have strong magnetic fields capable of driving the growth of the object, according to the study authors.
An infrared image taken with the Visible and Infrared Telescope for Astronomy shows Cha 1107-7626, a dot located in the center. An infrared image taken with the Visible and Infrared Telescope for Astronomy shows Cha 1107-7626, a dot located in the center. ESO/Meingast et al. A planet that acts like a star The origin of rogue planets remains murky. It’s possible they are planets that are kicked out of orbit around stars due to the gravitational influence of other objects. Or perhaps they are the lowest-mass objects that happen to form like stars. For Cha 1107-7626, astronomers said they think it’s the latter.
“This object most likely formed in a way similar to stars — from the collapse and fragmentation of a molecular cloud,” Scholz said.
A molecular cloud is a massive, cold cloud of gas and dust that can stretch for hundreds of light-years, according to NASA.
“We’re struck by quite how much the infancy of free-floating planetary-mass objects resembles that of stars like the Sun,” Jayawardhana said in a statement. “Our new findings underscore that similarity, and imply that some objects comparable to giant planets form the way stars do, from contracting clouds of gas and dust accompanied by disks of their own, and they go through growth episodes just like newborn stars.”
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14.10.2025 15:11:27
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