Question

Pluto was considered a planet from its discovery in 1930 until 2006. Why is it no longer called a planet?
(A). Pluto has not attained hydrostatic equilibrium.
(B). Pluto has not cleared its orbit of other objects.
(C). Pluto does not directly orbit the Sun.
(D). Pluto does not orbit on the same plane with the other planets.

Answer 1

Answer:

D) or A) dont know

Explanation:

Because in 2006 it was no longer considered a planet because it did not meet it did not meet the three criteria the IAU uses to define a full-sized planet.

I hoped this helped you out! in figuring out the answer :)

Answer 2

D. Pluto is smaller than other planets which makes not able to use orbital dominance which means it isn’t strong enough to orbit with other planets