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  1. Planet - Wikipedia

    The eight planets of the Solar System with size to scale (up to down, left to right): Saturn, Jupiter, Uranus, Neptune (outer planets), Earth, Venus, Mars, and Mercury (inner planets) A planet is …

  2. About the Planets - Science@NASA

    May 28, 2025 · Our solar system has eight planets, and five dwarf planets - all located in an outer spiral arm of the Milky Way galaxy called the Orion Arm.

  3. Planet | Definition, Solar System, Characteristics, & Facts ...

    Dec 29, 2025 · Planet, broadly, any relatively large natural body that revolves in an orbit around the Sun or around some other star and that is not radiating energy from internal nuclear fusion …

  4. Solar System - National Air and Space Museum

    Aug 7, 2025 · The Solar System, located in the Milky Way Galaxy, is our celestial neighborhood. Our Solar System consists of 8 planets, several dwarf planets, dozens of moons, and millions …

  5. Science 101: The Solar System - Education

    Dec 3, 2024 · Los planetas se dividen en dos categorías basadas en su composición, terrestres y jovianos. Los planetas terrestres, incluyendo Mercurio, Venus, Tierra, y Marte, están …

  6. A Complete Guide to the Solar System and the Night Sky ...

    20 hours ago · TheSkyLive offers comprehensive information about the most interesting celestial objects, and a set of tools designed to support the exploration and observation activities for …

  7. Qué son los planetas - Clasificación, ubicación y curiosidades

    Dec 17, 2025 · Los planetas del Sistema Solar son 8: Mercurio, Venus, Tierra, Marte, Júpiter, Saturno, Urano y Neptuno. Donde los 4 primeros son rocosos, y el resto está formado de …