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The Orion Nebulina cluster is home to hundreds of stars and planets, including dozens of free planets nicknamed Jumbos. S | Credit: NASA, ESA, CSA / Science Leading and Image Processing: M. Mccaughrean, S. Pearson
Mysterious ‘cheaters’ pairs of objects with a Jupiter size noted by Space Telescope James Web (JWST) are a small part of those that initially formed, suggests a new study. The finding suggests that these mysterious entities, called “jumbos”, are even more more than it was thought – and casts doubt on its very existence.
JumbosShort for “binary objects of Jupiter-Masa Orion’s foggy cluster In 2023, each Jambo contained two gas gigs between 0.7 and 30 times the mass of Jupiter. Jambbo members not orbit stars; Instead, they rotate around each other at approximately 25 to 400 astronomical units, making them free -floating or “scammers”. (One astronomical unit is approximately 93 million miles or 150 million kilometers, the average distance between the earth and the sun.)
The paired status of the sites and their obvious lack of attachment to any star caused existing ideas about how planets were born. This has not stopped scientists from sailing several ideas for the formation of a jumbo, including the fact that they have formed around a star just like the planets of the solar system, but they were jointly lambryS An alternative hypothesis is this Jumbos are the eroded nuclei of embryonic starsAssuming that they form as stars.
However, some researchers are skeptical that Jumbos even exists. For example, in 2024, Kevin LumanProfessor at the Department of Astronomy and Astrophysics in Penn, resanate Jwst’s observations have suggested that the alleged couples are not planets after all. Instead, he suggested that they were distant background objects that were impartial, filmed at JWST’s moments at the Orion Nebulia cluster.
Actually, Richard ParkerSenior Astrophysics Lecturer at the University of Sheffield in the UK and lead author of The New Study, told Live Science by email that this was a discussion about Luhman’s work, which caused the new study. During this group meeting, Simon GudwinProfessor of theoretical astrophysics at the University of Sheffield and the second author of the new study suggested that simulations could help identify how susceptible Jumbos is to destroy. In fact, previous studies have not examined how long these planetary couples continue to exist in the interstellar space. Such environments are full of growing stars that could frag the duo through their powerful gravitational pulls.
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To find out how effectively Jumbos tolerates the turbulence of their birth environment, Parker, Goodwin and Jessica DiamondAn integrated master’s degree at the University of Sheffield has created a computer model of nebula containing a mixture of stars and jumbos, which amounts to 1500 components, in an arrangement that probably mimics the original composition of Orion’s nebula cloud, Parker explained.
The researchers then generated five copies of this model, which differ in different internal parameters, such as the distance between the members of a planetary duo and how much crowded the nebula is as a whole. For each copy of the model, the team held 10 rounds of N-Body simulations.
“These computer simulations calculate the power due to the gravity of each object of all other objects,” Parker said, adding that such calculations made repeatedly can reveal how the different components of the model of the model interact over time.
Researchers have found that the simulated Jumubos is extremely efficient. In dense nebula, for example, nearly 90% of couples on the planet have been destroyed by neighboring stars within a million years. Even in the best scenario-when there were fewer stars in the nebula, and Jumbos walked into stricter orbits, only half of the pairs on the planet resisted any interference. The analyzes also revealed that the wider the planet a couple was, the greater the likelihood of it being interrupted.
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Parker said that since he and his colleagues had earlier That the systems of star plans are very fragile in the stars full of stars, it was not particularly surprised by the discoveries, noting this. “[b]Because the binary files on the planet are less massive, they have lower energy and are even more susceptible to destruction. “
The results published on May 2 in the magazine Monthly Notices of the Royal Astronomical Society: LettersShow that the observed Jumbos is extremely rare. But Parker said that this was hinting at the same anxious opportunity offered by Luman: that they do not really exist. This is because, in order to explain Jumbo’s Jumbo numbers, pairs on the planet should be produced in a much larger number than currently thought. According to Parker, this result probably adds support to Jumbos interpretation as a background noise.
“I think the next steps are someone else to take the original JWST data and analyze it again,” he added.