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 inner planets consist mostly of rock and metal because as the planets are formed, and the sun began to shine, solar wind blew out light, gaseous elements such as hydrogen and helium out of the inner portion of the solar system leaving the inner planets free of the elements.he four inner, rocky planets are also known as the terrestrial planets. These are; Mercury, Venus, Earth and Mars. The four outer, or gas planets; Jupiter, Saturn, Uranus and â¦ Neptune.