Planets
In space and astronautical engineering, planets are celestial bodies that orbit around a star, are spherical in shape, and have cleared their orbits of other debris. Planets are classified into two main categories: terrestrial planets and gas giants. Terrestrial planets are small, rocky, and have a solid surface, while gas giants are large, gaseous, and lack a solid surface. The study of planets involves understanding their composition, atmosphere, magnetic fields, and geology. Planetary exploration is conducted through various methods, including flybys, orbiters, landers, and rovers. The exploration of planets provides valuable information about the formation and evolution of the solar system, as well as the potential for habitable environments beyond Earth.
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