These planets are the four inner planets. They have solid, rocky surfaces, metallic cores and quite thin atmospheres. - Terrestrial planets., These planets are the 4 outer planets. They are enormous. They don't have solid surfaces, have many moons and can have rings. - Jovian planets., These planets are massive, are made of ice and are far from the sun. - Ice giants, These planets are massive and are made of swirling gas above a solid core. - Gas giants,

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