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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 four …

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

    Nov 27, 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 satellites; …

  3. Solar System Exploration - Science@NASA

    4 days ago · 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 located in the Milky …

  4. Solar System – Definition, Facts, Planets

    Mar 29, 2025 · The Solar System is the gravitationally bound system of the Sun and all celestial bodies that orbit it. This includes planets, moons, asteroids, comets, dwarf planets, and countless particles …

  5. Science 101: The Solar System - Education

    Dec 3, 2024 · Our solar system's particular configuration of planets and other celestial objects all revolving around a life-giving star make it a special place to call home.

  6. Solar System: Planets, Moons, and the Sun Explained

    May 18, 2025 · With each planet, moon, asteroid, and comet, the solar system tells a story of birth, destruction, rebirth, and motion—stories written in craters, frozen oceans, swirling storms, and …

  7. Solar System quick facts - Royal Museums Greenwich

    Our Solar System contains planets, comets and asteroids all of which travel around our star, the Sun. Until 2006 nine main planets were listed, but under the current classification there are now only eight …