This makes predicting how our Solar System formed an interesting exercise for astronomers. In the inner solar system, only substances with very high melting points would have remained solid. The inner, or Terrestrial planets are very small in comparison tothe outer, or Jovian planets. The inner planets are closer to the Sun and are smaller and rockier.
Why are inner planets rocky and outer planets gaseous. The outer planets are rocky inside also, their rocky part is larger than the inner planets and can attract lighter gaseous elements like helium, hydrogen, etc. Sebab setahu saya, pengaturan kartu GSM tri adalah yang paling sederhana. It captures everything because its gravity is so immense.