Planet X, also known as Nibiru, is supposed to come on December 21, 2012. It's also predicted that this is going to be Earth's doomsday. It's not really sure though, but according to Mayan calendars, one of the world's most accurate calendars, and early oracles and prophets, this day is going to be the doomsday, as well as the arrival of Planet X.
There is no Planet X, so no, it did not.
Planet X does not exist.
depends where planet X is
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.
A planet after the dwarf planet Pluto It Is A Name For A Unnamed And Unconfirmed Planet See related question for Nibiru
Planet X is an informal name for the planet Pluto [See related question] however in later years it has come to be named as the hypothetical and 2012 disaster planet called Niburu [See related link].
Planet X is an informal name for the planet Pluto [See related question] however in later years it has come to be named as the hypothetical and 2012 disaster planet called Niburu [See related link].
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 a hypothetical planet.
No, Planet X does not exist.
No
Planet x is the planet behind Pluto which is commonly reffered to as Selena but is not yet a planet(or clarified planet).
There is no "Planet X". See links.
The name of planet X is Nibiru
They come from the planet cybertron.
Nowhere. There is currently no planet called planet X. It is a lie
Optimus Prime is from the planet Cybertron.