No, 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.
An outer planet is a planet that is located beyond the asteroid belt in our solar system. The outer planets are Jupiter, Saturn, Uranus, and Neptune.
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Planet Neptune is the eighth planet from the sun.
Neptune's vision is blue and it is the 8th planet. There is Neptune because it is a planet.
Neptune is the eighth and furthest planet from the Sun.
Neptune is the eighth planet from the sunneptuneNeptune.
Neptune is an outer planet. It is the outermost planet in the solar system.
The planet before Neptune is Uranus. The planet after Neptune is Pluto but Pluto is know classified as a dwarf planet.
Astronomers began searching for Planet X to explain discrepancies in the orbits of Uranus and Neptune. Observations indicated the presence of an unknown massive celestial body affecting the orbits of these planets.
Neptune is not the hottest planet, Venus is.
Neptune's sign is a trident.