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Terrestrial Planets | Jovian Planets | Dwarf Planets | Planet Density | Planet Rotation. The first four planets are the terrestrial planets. A terrestrial planet has a metallic core (usually iron) and a rocky surface. The atmosphere of each terrestrial planets varies. Mercury has almost no atmosphere, while the surface of Venus has an atmospheric pressure 90 times that of the Earth! NO MOVIE.
Sort. 1  What are the characteristics of the terrestrial & Jovian planets regarding distances from. 2  Terrestrial planets are smaller in size and mass, have higher densities, are mostly composed of rock and metal, have a solid surface, possess few (if any) moons and no rings, and are closer to the Sun with warmer surfaces.