What If Planet 9 Doesn’t Exist? 4 Alternative Theories

For decades, the Planet Nine hypothesis has captured the imagination of astronomers and the general public. This hypothesis suggests the existence of a giant planet, about the diameter of Neptune, that has never been observed and could be in a distant orbit from the Sun beyond Neptune.
The existence of a ninth planet arises to explain certain anomalies observed in the orbits of trans-Neptunian objects (TNOs), particularly in the Kuiper Belt.
However, despite the observations and theoretical models that support its existence, no other planet has yet been detected beyond Neptune’s orbit. Not even the most powerful telescopes we have today, such as Hubble and James Webb, or astronomical observatories worldwide, have been able to observe this planet at any time.
This apparent contradiction between the measurements and the lack of evidence for a ninth planet has led many astronomers around the world to ask the most important question.
Could it be that Planet 9 does not exist?
What if all the gravitational anomalies of Kuiper belt objects are due to other previously unknown phenomena?
It turns out that several theories could explain the gravitational anomalies of the Kuiper Belt without the existence of a ninth planet. Do you want to know what they are?

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