Iâve come up with fewer reasons for giving a child a cell phone earlier, but at least two of them are enough to offset a multitude of others. Keeping tabs on them. As each year passes in a childâs life they venture farther from home and for longer periods of time.
Like the inner planets, the outer planets have similar characteristics to one another. The outer planets are so much larger than the inner planets that they make up 99 percent of the mass of the celestial bodies that orbit the Sun. Although mainly composed of gas, the outer planets also have other ingredients.
The outer 4 planets have many more moons than the 4 inner ones. (Mercury, Venus, Mars, and Earth only have a total of three, whereas Jupiter and Saturn have more than 60 each. â¦) The outer planets of our solar system (the 4 gas giants) are much larger than the inner planets.lthough the gas giants are larger than the inner planets, they are mainly made of Helium and Hydrogen gas, while the inner planets are mainly made from more dense materials such as rock.