I think tier is 11 planet
Ceres, Pluto, Haumea, Makemake and Eris.
Pluto, but some consider that Pluto is not a planet anymore.
Pluto used to be classified as the ninth planet in our solar system, but it was reclassified as a dwarf planet in 2006 by the International Astronomical Union due to its size and orbit characteristics.
The terms "outer planet" and "inner planet" are only used for planets. Pluto is not a planet, and it orbits beyond the outer planets.
No, Earth is not the smallest terrestrial planet. Mercury is the smallest terrestrial planet.
Rigel is a star, not a planet. It is not certain who actually named it. Many cultures have other names for it.
the only planet that scientists do not consider a planet is Pluto, (but they also found new planets in the asteroid belt.)Pluto
No
There are no stars ON any planet. The smallest star is MUCH larger than the largest planet.
No, the moon is not a planet. It is earth's natural satellite.
actually it is a medium planet
Because it's not one and really cannot be a planet!
Ceres, Pluto, Haumea, Makemake and Eris.
Sun is not a planet actually. It is a star.
Pluto, but some consider that Pluto is not a planet anymore.
earth is considered as a planet because it is a part of solar system
Leo is actually not governed by a planet: it is governed by the sun.