There is no planet heading towards Earth. All the planets have well defined orbits. and will not impact each other in the foreseeable future.
Planet X does not exist. It was only a theory.
planet x
Time of rotation of a planet does not depend on distance from another planet.
mars
i don't know i think 4.868 x 1024kg
NO.
Of course not! There is no such thing as Planet-X!
No. There is no planet coming to Earth.
earth
Planet X does not exist. It was only a theory.
planet x
Time of rotation of a planet does not depend on distance from another planet.
The ratio will always be the same so the answer will be 500 to both questions
NO!
Since "Planet X" is entirely imaginary, probably nothing at all.
No, today, the astronomical community widely agrees that Planet X, as originally envisioned, does not exist.
mars