American researchers have filtered 78 percent of the possible places to search for the mysterious ninth planet in the solar system.

For a long time, scientists have been trying to find one of the most mysterious members of the solar system, the planet known as Planet Nine. So far, they haven't really succeeded, but according to scientists from the California Institute of Technology (Caltech), it would be useful to narrow down the area in which to search for this celestial body.

As is IFLScience He also writes: Finding exoplanets outside our system is a much easier task than finding Planet Nine in the solar system. The planet is revealed the moment it passes in front of its star, as the amount of light coming from it changes. However, as seen from Earth, only Mercury and Venus pass in front of the Sun, so this method is useless in searching for Planet Nine.

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The rest of the planets in the solar system, from Mars to Uranus, were observed by scanning the sky. Neptune was discovered by the astronomer and mathematician Urban Le Verre by finding a discrepancy between the observed orbit of Uranus and the predictions of Newtonian physics.

In 2015, Caltech scientists discovered six objects crossing the orbit of Neptune. This would not be interesting in itself, but they move in such a way that the conclusion has been drawn: the gravity of a large body acts on them. Now that's what they wrote about arXiv In a study published on the preprint server, the mysterious object may be two to four times the diameter of the Earth. Although they have not yet ruled out the possibility that they are dealing with an anomaly.

The researchers have filtered out 78% of the potential locations so far, significantly reducing the number of potential places in outer space where the aforementioned planet could be found.

According to Michael Brown, the lead author of the study, if Planet Nine does not exist, new explanations must be found for the processes taking place at the edge of the solar system. However, until such explanations are available, the existence of the mysterious planet can be assumed.

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