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R. Planet X (or Planet 9) will be a gaseous giant similar to Uranus and Neptune
Beyond the solar system, after Neptune's orbit, there is something to come. Objects orbit eccentrically and Planet Nine can explain their eccentricities. Now, a team of scientists presents a new hypothesis to justify the strange movements.
At the ends of the solar system, well after Neptune, some objects revolve around everything and nobody knows exactly why. In order to explain these unusual orbits, several astronomers have suggested the existence of Planet, a giant, icy and hypothetical planet, also celebrated with Planet X.
Warned in the works of Konstantin Batygin and Mike Brown in January 2016, Planet Nine, ten times more mbadive than the Earth, could interfere with the orbit of these objects. New research, conducted by a team of scientists from the University of Cambridge in the United Kingdom and the American University of Beirut, Lebanon, has now presented another hypothesis for these irregular objects which, they say, is more plausible than the existence of a ninth planet.
Scientists propose the existence of a huge disk formed of small icy bodies, whose combined mbad would exceed ten times the mbad of the Sun, that is to say that ## EQU1 ## In place of an object as gigantic as Planet Nine, scientists theorize a disk of equally gigantic dimensions but composed of several bodies.
Combined with a simplified model of the solar system, the gravitational forces of this disc could explain the irregular orbital architecture presented by some of these objects that live in (19659005) although they recognize that this is not the first study to explain the irregular orbits of these objects from the existence of a huge disk, the scientists note that the search could explain the peculiarities of orbits by taking in account the mbad and gravity of the eight planets that make up the solar system.
The fascinating (but invisible) planet X
The hypothesis of Planet Nine is fascinating, but if the hypothetical planet really existed, it has not yet been detected, "said the co-author of the Antranik Sefilian study from the University of Cambridge, quoted in a statement.
"We wanted to know if there may be another cause – less dramatic and more natural – to the unusual orbits observed in transneptunian objects. … If we eliminate Planet Nine from the model and allow the and small objects scattered over a vast area, the collective attractions between these same objects could explain the explanation of the eccentric orbit some transneptunian objects. "
Sefilian also pointed out that the great problem of this disc is it is almost impossible to see it in its entirety since the solar system:" Although we have no evidence of direct observation for the disc, nor for Planet Nine, we continue to look for other possibilities. "
However, no hypothesis is rejected and it is even possible that both coexist:" It is also possible that [19459008botharetrue – there may be a mbadive disk and a ninth planet. As we discover new TNOs, we will gather more evidence to explain their behavior. "
The distant neighbors of Neptune still remaining under the gaze, scientists will continue to look forward to the justification of their irregular orbits, the fruit of a mysterious and ninth planet or an entanglement of celestial bodies.
The new study presented this week was previewed in the arXiv digital archive
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