A team of astronomers may have found the elusive “Planet Nine,” a mysterious object beyond Neptune. This search has been sparked by unusual patterns observed in the Kuiper Belt, where many distant rocky bodies cluster together, hinting at a hidden massive object affecting their paths.

The research, posted on arXiv, comes from scientists in Taiwan, Japan, and Australia. They reexamined old infrared data from two space telescopes: NASA’s IRAS mission from 1983 and Japan’s AKARI satellite from 2006-2007. Their aim was to locate a cold, faint object that could be Planet Nine.
This inquiry builds on a 2016 theory by Caltech astronomers Mike Brown and Konstantin Batygin, who suggested a massive planet could explain the Kuiper Belt’s odd gravitational behavior. They estimated Planet Nine to be over six times the mass of Earth, with an orbit lasting 7,400 years. The ongoing development of the Vera Rubin Observatory may help in the eventual discovery.
Astronomer Terry Long Phan and his team utilized the long gap between the IRAS and AKARI observations to look for distant objects that moved slightly. After filtering out other cosmic noise, they found one intriguing candidate. “It doesn’t match any known object,” Long explained, “and seems to fit the criteria for Planet Nine.”
However, Mike Brown expressed some skepticism about this finding. He noted the study should discuss whether the detected signals might be noise or random transient events rather than something real. “My suspicion is that it is simply noise,” he stated, but he was also excited about the possibility of discoveries.
The candidate’s faint signature and its slow motion suggest that it might be even farther away than previously thought for Planet Nine. This finding opens up new questions. Brown pointed out that its orbit does not align with their earlier predictions, meaning if it is a real object, it could be something entirely different.
Despite the cautious optimism, astronomers need more data to confirm this object’s nature. Relying on observations taken decades apart has its limitations. Nevertheless, the researchers are hopeful that ground-based telescopes, like the Dark Energy Camera in Chile, could potentially identify the object again.
This research also challenges some fringe theories, like the idea of Planet Nine being a primordial black hole. The detection of infrared light suggests that the object might indeed be a planet rather than something entirely different.
For now, Planet Nine remains a theory. But this potential discovery gives us a glimmer of hope that something intriguing lies in the shadows of our solar system—waiting to be revealed by our advancements in technology and exploration.
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Source linkInfrared telescopes,Outer planets,planet nine,Solar System