About the Planets - Science@NASA There are five officially recognized dwarf planets in our solar system: Ceres, Pluto, Haumea, Makemake, and Eris What is a planet? The word traces back to the ancient Greek word planēt, which means “wanderer ”
Planet - Wikipedia The Solar System has eight planets by the most restrictive definition of the term: the terrestrial planets Mercury, Venus, Earth, and Mars, and the giant planets Jupiter, Saturn, Uranus, and Neptune
Solar system | Definition, Planets, Diagram, Videos, Facts . . . Solar system, assemblage consisting of the Sun and those bodies orbiting it: 8 planets with more than 400 known planetary satellites; many asteroids, some with their own satellites; comets and other icy bodies; and vast reaches of highly tenuous gas and dust known as the interplanetary medium
Planeta - Qué es, características, tipos y satélite natural Un planeta es un objeto celeste que orbita alrededor de una estrella, tiene forma esférica y no comparte su órbita con otros objetos similares, según la definición propuesta por la Unión Astronómica Internacional en 2006
Planeta - Wikipedia, la enciclopedia libre Un planeta es un objeto astronómico que orbita una estrella y que es lo suficientemente masivo como para ser redondeado por su propia gravedad, pero no lo suficientemente masivo como para causar fusión termonuclear, y que ha despejado su región vecina de planetesimales
Solar System Exploration - Science@NASA The solar system has one star, eight planets, five dwarf planets, at least 290 moons, more than 1 3 million asteroids, and about 3,900 comets
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