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wolram
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Does our solar system host a Ninth planet, If so has our solar system under gone planetary migration?
wolram said:Does our solar system host a Ninth planet
The International Astronomical Union (IAU) defined in August 2006 that, in the Solar System, a planet is a celestial body which:
- is in orbit around the Sun,
- has sufficient mass to assume hydrostatic equilibrium (a nearly round shape), and
- has "cleared the neighborhood" around its orbit.
alantheastronomer said:There's still a discrepancy in the orbit of Neptune that the discovery of Pluto was supposed to solve yet didn'
The ninth planet, also known as Planet X, is a hypothesized planet in our solar system that is believed to be located beyond Neptune. Its existence was proposed to explain the unusual orbits of some objects in the Kuiper Belt. It is important to search for this planet because its discovery could help us understand the evolution and formation of our solar system.
The idea of the ninth planet came about when astronomers noticed that some objects in the Kuiper Belt, a region beyond Neptune, had unusual orbits that could not be explained by the known planets in our solar system. This led to the hypothesis that there must be another large planet beyond Neptune that was influencing the orbits of these objects.
There are several lines of evidence that support the existence of the ninth planet. These include the unusual orbits of objects in the Kuiper Belt, the clustering of orbits of these objects in a specific direction, and computer simulations that suggest the presence of a large, distant planet in our solar system. Additionally, recent studies have found evidence of a large planet in the outer solar system based on the gravitational influence it has on other objects.
The ninth planet is believed to be a giant planet, similar in size to Neptune or Uranus. However, it is much more distant from the sun and has a highly elliptical orbit, taking thousands of years to complete one orbit. Additionally, the ninth planet is thought to be a part of a group of objects called "detached objects" that have orbits that are not influenced by the gas giants in our solar system.
Scientists are using a variety of methods to search for the ninth planet. These include using large telescopes to scan the sky for any signs of a distant object, analyzing data from past surveys of the outer solar system, and conducting computer simulations to predict the possible location of the planet. Some scientists are also looking for the ninth planet by studying the orbits of objects in the Kuiper Belt and analyzing their gravitational interactions with other objects in our solar system.