There has been a lot of nonsense lately about a "Planet X" that will sweep into the solar system disrupting things in 2012. Various claims are that "Planet X" is in Earth's orbit on the opposite side of the Sun, or out beyond the orbit of Pluto. Some people call it "Nibiru".
None of these claims hold up. Space probes have already looked in the L3 "Lagrange point", and there is nothing there; or at least, nothing big enough to be detected. If there were any substantial mass in the solar system, it would already have disturbed the planetary orbits of Venus and Mars.
There may well be planet-sized objects far beyond the orbit if Neptune, but if they were as large as Pluto, they would already have been discovered.
Planet X has not been confirmed to exist, so its size is unknown. Jupiter is the largest planet in our solar system, with a radius of about 69,911 km.
In order to calculate that figure, we need to know the mass of planet x and the radius of its surface. These are particularly difficult to measure in the case of planet x, primarily because it doesn't exist.
Planet X has not been observed or discovered yet, so its color is unknown. It is a hypothetical planet that some scientists believe may exist in the outer regions of the solar system, but its characteristics are speculative at this point.
Planet X is a hypothetical planet once thought to exist out beyond Neptune. Astronomers discovered a discrepancy in Uranus' orbit that they thought indicated another planet beyond Neptune whose mass was affecting it. When Neptune's mass was determined using data gathered by Voyager 2, Astronomers discovered that the discrepancy was entirely due to Neptune's orbit. Since then, other trans-Neptunian objects have been discovered, but none large enough to be considered a planet.
No, today, the astronomical community widely agrees that Planet X, as originally envisioned, does not exist.
No, Planet X does not exist.
Planet X was nothing because it does not exist and never did.
Planet x does not exist.
Planet X was a hypothetical planet which was searched for after the discovery of planet Neptune. `Planet-X` does not exist.
Planet X does not exist. It was only a theory.
Planet X has not been confirmed to exist, so its size is unknown. Jupiter is the largest planet in our solar system, with a radius of about 69,911 km.
Planet X does exist but there are about 3 Dwarf planets that have simularities to Plznet X. Planet X has not yet been discovered.
It is an imaginary planet with imaginary moons. It does not exist
No, "Planet X" is not the planet featured in the Fullmetal Alchemist series. The series is set in a fictional world where alchemy is a prominent practice, but it does not specify a particular planet as the story's setting.
In order to calculate that figure, we need to know the mass of planet x and the radius of its surface. These are particularly difficult to measure in the case of planet x, primarily because it doesn't exist.
Planet X has not been observed or discovered yet, so its color is unknown. It is a hypothetical planet that some scientists believe may exist in the outer regions of the solar system, but its characteristics are speculative at this point.
Planet X is a hypothetical planet that has not been observed or confirmed by astronomers. It is thought to be a large, distant planet in our solar system, but its appearance is unknown until it is officially discovered and studied.