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The Orion Nebula cluster is home to hundreds of stars and planets, including dozens of free -floating planets, nicknamed Jumbos. ; | Credit: NASA, ESA, CSA / Science Leads and Image Processing: M. McCaughrean, S. Pearson
Mysterious “rogue” pairs of Jupiter -sized objects James Webb Space Telescope (JWST) is a small part of those initially formed, a new study shows. The conclusions of the findings that these enigmatic entities called “Jumbos” are even less rarer than before and have doubts as to their existence.
JumbosIn short, “Jupiter-Mass Binary Objects” are couples similar to the planet, Jupiter-sized objects that JWST noticed in the trapezoidal region in the trapezoidal area Orion Nebula Cluster 2023 Each Jumbo consists of two gas giants of 0.7 to 30 times Jupiter. Jumb’s members have no orbit stars; Instead, they twist each other from about 25 to 400 astronomical units, making them freely floating or “dishonest”. (One astronomical unit is about 93 million miles or 150 million kilometers, average distance between Earth and Sun.)
The paired status of objects and the obvious lack of their non -binding to any star challenged the existing idea of how the planets are born. This did not stop scientists from several ideas on Jumb’s formation, including the fact that they were formed around the star, like the solar system planets, but were together Another star seduced; The alternative hypothesis is that Jumbos is the eradication of the embryo star coreshows that they formed as stars.
However, some researchers are skeptical that Jumbos even exists. For example, in 2024, Kevin LuhmanProfessor of Penn State Astronomy and Astrophysics, Renamed JWST observations and suggested that the alleged couples would not be a planet. Instead, he suggested that they would be distant background objects that were serendipically captured in the JWST “Orion Nebula” cluster images.
In fact, Richard ParkerSenior lecturer and main author of the new study at the University of JK Chefild, Live Science email. E -mail said it was a discussion about Luhman’s work, which led to a new study. During this group meeting, Simon GoodwinTheoretical astrophysics professor at Sheffield University and the second author of the new study suggested that modeling could help determine how sensitive Jumbos are destroyed. In fact, no previous investigation has investigated how long these panels of planets remain in the interstellar space. Growing stars that could break up due to their powerful gravitational pulls.
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To find out how effectively Jumbos tolerate their birth environment, parker, goodwin and Jessica DiamondAn integrated master’s student at the University of Sheffield created a nebula computer model containing a mixture of stars and Jumba, which was 1,500 components, according to an agreement that most likely mimics the original Orion Nebula Cloud composition, Parker explained.
The researchers then created five copies of this model, which differed in various internal parameters, such as the distance between the members of the planetary duo and how the overcrowded nebula was generally. For each copying of the model, the team performed 10 N-Model modeling rounds.
“These computer modeling calculates the force due to the gravity of each object from all other objects,” the Parker said, adding that such calculations reused can reveal how the different model nebula components interact over time.
Researchers found that imitation jumbs were particularly ephemeral. For example, on a dense farm, nearly 90% of the pores of the planets have been destroyed by neighboring stars over a million years. Even at best, there were fewer stars, and Jumbos was destroyed in stricter orbits-only half of the planets were opposed to any disorder. The analysis also revealed that the wider separated by a pair of the planet, the more likely it is that it was impaired.
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Parker said he and his colleagues had previously found These star planets systems are in a very fragile environment full of stars, it was not particularly surprised by the conclusions, noting that it is. ”[b]The Ecus planets of the planets are less massive, have lower energy and are even more sensitive to destruction. “
Results announced on May 2. In the magazine Monthly Reports of the Royal Society of Astronomy: LettersShow that Jumbos is observed very rare. But Parker said it was a hint to the same anxious possibility of Luhman’s offense: that they really are not. This is because to explain the Jumbo numbers set by JWST, the planets couples would have been produced in much higher numbers than the currently thought. According to Parker, this result is likely to support Jumba as a background noise interpretation.
“I think other actions are so that someone else can take the original JWST data and analyze them again,” he added.