neptune
Neptune was confirmed as a planet close to its discovery in September 23, 1846. Mathematicians knew there was another planet there somewhere, it was found by mathematical prediction.
There is no planet that is called the "glossy planet".
It is just a name invented by mathematicians.
The center of the planet is called the "core."
Mathematicians are people who are 'experts' at Math.
Mecury is not called the red planet. Mars is called the red planet because of the iron oxide (rust) in it's soil, making the planet look red. Yes, Venus is the hottest planet but it is not called the red planet.
The planet Uranus is called an ice giant planet.
Jupiter is called the giant planet
no
The fictional planet Tralfamadore is the moon of a large planet called Tran.
Hom are the five mathematicians
A moon? I don't think a planet orbiting another planet would be called a planet.