The inner planets (in order of distance from the sun, closest to furthest) are Mercury, Venus, Earth and Mars. After an asteroid belt comes the outer planets, Jupiter, Saturn, Uranus and Neptune.

Additionally, which inner planet is smallest quizlet? Identify one distinguishing characteristic of each inner planet. Mercury is the smallest planet and it doesnt have an atmosphere.

Correspondingly, what is the smallest to largest planets?

The order of the planets from biggest to smallest is: Jupiter. Saturn. Uranus. Neptune. Earth. Venus. Mars. Mercury. Pluto (a dwarf planet)

Why are the inner planets small?

There were relatively few elements of any other kind in a solid state to form the inner planets. The inner planets are much smaller than the outer planets and because of this have relatively low gravity and were not able to attract large amounts of gas to their atmospheres.