Unknown Planet May Exist in Our Solar System, Experts Say

in AVLE 일상8 months ago

Signs Point to a Hidden Giant - Potential Planet Nine Gains Momentum
Our solar system's story might be far from over. Exciting new research published in April 2024 strengthens the case for a mysterious ninth planet lurking in the solar system's farthest reaches. This potential world, nicknamed "Planet Nine" or "Planet X," has remained elusive to direct observation, but its gravitational influence on other objects hints at its existence.

For years, astronomers have been scratching their heads over the unusual orbits of icy objects known as Extremely Trans-Neptunian Objects (ETNOs). These distant residents of the solar system exhibit unexpected clustering and orbital tilts, suggesting an unseen force shaping their paths. Enter Konstantin Batygin, an astronomer at the California Institute of Technology, and his team, who believe Planet Nine could be the conductor of this cosmic orchestra.

"This new study provides the strongest statistical evidence yet for the existence of Planet Nine," says Batygin. Their research, published on the online platform arXiv, focuses on the orbital patterns of ETNOs, particularly their inclinations and the closest points in their orbits to the Sun. The analysis reveals a surprising alignment that can't be explained by the gravitational pull of known planets.

Unlike the rocky worlds like Earth and Mars that we're familiar with, Planet Nine is predicted to be a massive ice giant. Estimates suggest it could be ten times the mass of Earth and reside at a staggering distance – 20 times farther from the Sun than Neptune. This immense distance translates to a tremendously long orbit, taking an estimated 10,000 to 20,000 years to circle the Sun just once.

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