how are the outer planets similar to each other?

What do all the outer planets have in common?

The small inner planets (Mercury, Venus, Earth, and Mars) consist mainly of silicate rocks and metals; the outer planets (Jupiter, Saturn, Uranus, and Neptune) are much larger, consist mainly of gaseous hydrogen, helium and ice, and have large systems of icy moons. Uranus has the smallest mass of the outer planets, although it is slightly … Read more

How are the four outer planets similar?

Figure below shows the relative size of the outer planets and the sun. Most planets in the solar system rotate around their axes in the same direction as they move around the sun. However, that’s roughly where the similarities end. When sunlight is reflected from Uranus, methane clouds filter out red light and give the … Read more