Question

HOTS
5. Look at this image of the Solar System.
Notice that it shows 9 planets orbiting
the Sun.
Until a few years back, Pluto was considered
the 9th planet. However, scientists decided
that Pluto could not be called a 'planet'.
Based on the image and what you have learnt
about planets, give at least 1 reason why you
think scientists may have decided that Pluto
cannot be called a 'planet'.​

Answer 1

Answer:

In August 2006 the International Astronomical Union (IAU) downgraded the status of Pluto to that of “dwarf planet.” This means that from now on only the rocky worlds of the inner Solar System and the gas giants of the outer system will be designated as planets.

Answer 2

Answer:

Because it doesn't have a proper neighboring region of other object