. . . . . . . . . . "Rocky planets" . "Rocky planets"@en . "Juvenile works"@en . "Juvenile works" . "Includes information on the rocky planets; Mercury, Venus, Mars, Pluto. Also includes the small rocky bodies asteroids, comets, and meteors."@en . . . . . . . . . "Mars (Planet)" . . "Venus (Planet)" . . "Pluto (Dwarf planet)" . . "Mercury (Planet)" . .