Put another way, in order to stop being needy and desperate, itâs essential for you to think in terms of abundance. To see this world as a world full of opportunities, in which when one door closes, another one opens. It is very much true.
Earth and the other three inner planets of our solar system (Mercury, Venus and Mars) are made of rock, containing common minerals like feldspars and metals like magnesium and aluminum. So is Pluto. The other planets are not solid. Jupiter, for instance, is made up mostly of trapped helium, hydrogen, and water. In our solar system, the four gas giants are Jupiter, Saturn, Neptune, and Uranus. Planets with their relative sizes to scale. The tiny bluish dot at the lower left is Earth.
1 Hence, terrestrial planets (Mercury, Venus, Earth, and Mars) are dense small worlds composed mostly from 2% of heavier elements contained in solar nebula. 2  Formation of jovian planets: 3  In the outer solar nebula, planetesimals formed from ice flakes in addition to rocky and metal flakes.