This is the complete question
O A.
The new definition for planets needs to be considered as settled moving forward.
OB.
The IAU used poor methods when setting a new definition for planets.
OC.
It is uncertain whether the definition of planet will remain the same in the future.
OD
Pluto should not have been the reason why IAU changed the definition of planets.
It is uncertain whether the definition of the planet will remain the same in the future. Thus, option "C" is correct.
<h3>What is the description of planets?</h3>
The description of planets has been updated by the International Astronomical Union. In the current description, the planet is regarded if it satisfies three criteria.
It will be in the sun's direction, it should have enough mass to have stable hydro stability, and the area should be clear. It is unclear if the definition will stay the same in the world because certain planets will convey such distinctive features and the concept may be modified.
Thus, option "C" is correct.
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