... outer planets Mercury, Venus, Earth, and Mars are the inner planets They are solid and rocky Jupiter, Saturn, Uranus, Neptune, and Pluto are the outer planets With the exception of Pluto, these planets ... has between the Sun and the planets, and between the planets and their moons Use details from the book to support your answer Predict Do you think scientists will find other planets in the solar ... Sun, Moon, stars, and other objects in space How are the orbits of the inner planets different from the orbits of the outer planets? bowl-shaped dents on the surface of planets and their moons...