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  1. Solar System - Wikipedia

    When not used as a proper noun and written without capitalization, "solar system" may refer to either the Solar System itself or any system reminiscent of the Solar System.

  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

    2 days ago · 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. Solar System – Definition, Facts, Planets

    Mar 29, 2025 · Learn about the solar system in astronomy. Get its definition, discover the planets in order, and get interesting facts.

  6. The Solar System - timeanddate.com

    The solar system includes the Sun, planets, dwarf planets, moons, rings, asteroids, comets, and particles of dust.

  7. 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 …

  8. 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.

  9. Solar System - Wikiwand

    The Solar System is the gravitationally bound system of the Sun and the masses that orbit it, most prominently its eight planets, of which Earth is one. The sy...

  10. Astronomy - Solar System, Planets, Stars | Britannica

    Dec 19, 2025 · Gravitational attraction holds the planets in their elliptical orbits around the Sun. In addition to Earth, five major planets (Mercury, Venus, Mars, Jupiter, and Saturn) have been …