Chapter 32, Problem 2RQ

What plutoid was downgraded from planetary status in 2006?

To determine

The reason for downgrading from planetary status of Plutoid in 2006.

Answer to Problem 2RQ

The plutoid was downgraded from planetary position in 2006 because the material inside the plutoid not settled as the core of the plutoid.

Explanation of Solution

The large size icy objects originate from the Kuiper belt are called Plutoid. The size of these objects is same as of Pluto.

The large size objects in space are called planets if all the material is collected in the orbital paths. The all the material in the Kuiper belt is not settled in the form of the core of the planet. The dense material of planets settled in the core.

The dense material of the plutoid is not settled in the form of core, so it does not include in the category of the planet.

Conclusion:

Therefore, the plutoid was downgraded from planetary position in 2006 because the material inside the plutoid not settled as the core of the plutoid.