What is the difference of inner planets and outer planets?

What is the difference of inner planets and outer planets?

Mercury, Venus, Earth, and Mars are the planets closest to the Sun. They are called the inner planets. The inner planets are made up mostly of rock. The outer planets are Jupiter, Saturn, Uranus, and Neptune.

Why are the inner and outer planets so different?

The temperature of the early solar system explains why the inner planets are rocky and the outer ones are gaseous. As the gases coalesced to form a protosun, the temperature in the solar system rose. In the inner solar system temperatures were as high as 2000 K, while in the outer solar system it was as cool as 50 K.

What is the difference between inner space and outer space?

Abstract. In popular psychology, inner space refers to thoughts, imagery, dreams, attitudes, and feelings, while outer space refers to the external environment.

What are 5 characteristics of the inner planets?

What are 5 characteristics of the inner planets?

  • Terrestrial Planet Formation. Astronomers theorize that the very early solar system formed as a ring of materials surrounding the sun. …
  • Size Range. …
  • Rocky Surface. …
  • Iron Core.

What are three basic differences between the inner and outer planets?

Inner planets have fewer moons, small, silicate surface, nickel-iron core, higher density and rotate more slowly compared to outer planets. Outer planets have a greater number of moons, no solid part; rotate faster, have a lower density as well as rings in some cases (Jupiter and Saturn).

What are the features of the outer planets?

The four outer planets—Jupiter, Saturn, Uranus, and Neptune—are all gas giants made primarily of hydrogen and helium. They have thick gaseous outer layers and liquid interiors. All of the outer planets have numerous moons, as well as planetary rings made of dust and other particles.

What are outer planets?

The outer planets are gas giants Jupiter and Saturn and ice giants Uranus and Neptune. Beyond Neptune, a newer class of smaller worlds called dwarf planets reign, including longtime favorite Pluto. Thousands more planets have been discovered beyond our solar system.

What are the common characteristics of inner and outer planets?

1 Answer. Patrick H. Besides all of them being planets, all follow an elliptical orbit, all are spherical, and all are made of iron and nickel to some degree.

How do you describe the inner planets?

Definition: The inner planets are the four planets which orbit closest to the sun in our solar system. All of them are solid, rocky planets. The nearest to the sun is Mercury, followed by Venus, Earth and Mars.

What is the inner planet?

What are 3 characteristics of inner planets?

All of the inner planets are solid, dense, rocky planets. The inner planets either do not have moons or have just one (Earth) or two (Mars). None of the inner planets have rings. Compared to the outer planets, the inner planets have shorter orbits around the Sun, but all the inner planets spin more slowly.