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  1. Solar System - Wikipedia

    Over 99.86% of the Solar System's mass is located within the Sun. The most massive objects that orbit the Sun are the eight planets. Closest to the Sun in order of increasing distance are the …

  2. Solar System Exploration - Science@NASA

    Dec 4, 2025 · Our solar system includes the Sun, eight planets, five officially named dwarf planets, hundreds of moons, and thousands of asteroids and comets. Our solar system is …

  3. Solar system | Definition, Planets, Diagram, Videos, & Facts

    Dec 13, 2025 · 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 …

  4. The solar system—facts and information | National Geographic

    Our solar system is made up of the sun and all the amazing objects that travel around it.

  5. Science 101: The Solar System - Education

    Dec 3, 2024 · How many planets are in the solar system? How did it form in the Milky Way galaxy? Learn facts about the solar system's genesis, plus its planets, moons, and asteroids.

  6. Our Solar System: A Tour of All the Planets

    May 3, 2025 · The solar system is our cosmic neighborhood, a sprawling and dynamic family of celestial bodies orbiting a single, blazing star: the Sun. It’s a place of fire and ice, storms and …

  7. Solar System - Definition, Facts, Planets

    Mar 29, 2025 · The Solar System is the gravitationally bound system comprising the Sun and all natural objects that orbit it either directly or indirectly. This includes the eight planets, their …

  8. Solar System Planets: Order of the 8 (or 9) Planets

    May 2, 2025 · In this guide, we'll explore how the solar system formed, its structure, and the many fascinating objects it contains.

  9. Solar System — Google Arts & Culture

    The solar system consists of a central star, the sun, and all of the smaller celestial bodies that continuously travel around it, including our very own Earth.

  10. Solar System - New World Encyclopedia

    The solar system comprises the Sun, all the objects gravitationally bound to it, and the heliosphere, an enormous magnetic bubble enclosing most of the known solar system, …