Fictional ones.
Planet X was a hypothetical planet which was searched for after the discovery of planet Neptune. `Planet-X` does not exist.
Yes. Neptune is the outermost planet in the solar system.
Planet X does not exist. It was only a theory.
Although there are many rumors and movies about the planet zork, all of it is not true for it does not exist!
earth is the only planet where the same substance can exist in gaseous , liquid , and solid form
No, Planet X does not exist.
No. Such a planet could not exist.
They do exist and they exist on a planet called pa2045 on a irregular galaxy
Planet X was nothing because it does not exist and never did.
Planet x does not exist.
Venus does not exist on Earth, it is a separate planet, which occupies an orbit closer to the Sun than Earth.
Planet X was a hypothetical planet which was searched for after the discovery of planet Neptune. `Planet-X` does not exist.
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.
Yes. Neptune is the outermost planet in the solar system.
Yes and no. It does exist but it's classified as a dwarf planet.
It is an imaginary planet with imaginary moons. It does not exist
Would life exist on what planet? Earth? Mars? Yes, even if not human, trees and plant vegitation