Question

Which best distinguishes between the inner and outer planets?

Answer 1

A, because some outer planets have an asteroid belt.

Answer 2

Answer: The correct answer is option(A).

Explanation

Inner planets are those planets which are closer to sun, smaller and rockier. For example: Mercury, Earth, Venus and Mars

Outer planets are those planet which far away from the sun with bigger size and are made up of gases.For example: Jupiter, Saturn etc.

There is an asteroids belt present after Mars;s orbit which distinguishes inner planets from outer planets. It is a circumstellar (ring shaped) disc in a solar system composed of small rocks called asteroids.

Hence, the correct answer is option (A).