The planets can be divided into two groups: the inner terrestrial planets and the outer giant planets. The giant planets are composed mostly of liquids and gases.

Smaller members of the solar system include asteroids (including the dwarf planet Ceres), which are rocky and metallic objects found mostly between Mars and Jupiter; comets, which are made mostly of frozen gases and… When a meteor survives its passage through our atmosphere and falls to Earth, we call it a meteorite

asteroid — a stony or metallic object orbiting the Sun that is smaller than a planet but that shows no evidence of an atmosphere or of other types of activity associated with comets. meteor — a small piece of solid matter that enters Earth’s atmosphere and burns up, popularly called a shooting star because it is seen as a small flash of light. terrestrial planet — any of the planets Mercury, Venus, Earth, or Mars; sometimes the Moon is included in the list. comet — a small body of icy and dusty matter that revolves about the Sun; when a comet comes near the Sun, some of its material vaporizes, forming a large head of tenuous gas and often a….