Based on the selection, what is the author's message about the new definition of planets? A. The new definition for planets needs to be considered as settled moving forward. B. Pluto should not have been the reason why IAU changed the definition of planets. C. It is uncertain whether the definition of planet will remain the same in the future. D. The IAU used poor methods when setting a new definition for planets.

C. It is uncertain whether the definition of planets will remains same in the future.

Explanation:

The International Astronomical Union has revised the definition of the planets. The planet is considered in the new definition if it meets three conditions. It should be in the orbit around the sun, It should have sufficient mass to have hydro static equilibrium and the neighborhood should be clear. It is uncertain whether the definition will remain same in the future as there might be some different characteristics expressed by some planets and definition might be changed.

well,

i dont learn that but this link might you out !

link -->

hope this : )