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  1. nasa.gov
    https://solarsystem.nasa.gov › solar-system › our-solar-system › in-depth.amp

    In Depth | Our Solar System – NASA Solar System Exploration

    Our solar system consists of our star, the Sun, and everything bound to it by gravity – the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune; dwarf planets such as Pluto; …

  2. nasa.gov
    https://solarsystem.nasa.gov › planet-compare

    Planet Compare - NASA Solar System Exploration

    Oct 21, 2025 · NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.

  3. nasa.gov
    https://solarsystem.nasa.gov

    RPS 3D Viewer - NASA Solar System Exploration

    Oct 21, 2025 · NASA Solar System Exploration Our Galactic Neighborhood Solar System Planets Moons Asteroids, Comets & Meteors

  4. nasa.gov
    https://solarsystem.nasa.gov › internal_resources
    [PDF]

    Kuiper Belt and Oort Cloud - NASA Solar System Exploration

    In 1943, astronomer Kenneth Edgeworth hypothesized that many small, icy bodies exist in a disc in the region beyond Neptune, having condensed from widely spaced ancient material, and that from time …

  5. nasa.gov
    https://solarsystem.nasa.gov › gltf_embed

    Iapetus 3D Model – NASA Solar System Exploration

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  6. nasa.gov
    https://solarsystem.nasa.gov › sun-by-the-numbers

    The Sun By the Numbers - NASA Solar System Exploration

    Oct 21, 2025 · The Sun is the star at the heart of our solar system. Its gravity holds the solar system together, keeping everything – from the biggest planets to the smallest bits of debris – in its orbit.

  7. nasa.gov
    https://solarsystem.nasa.gov › moons › in-depth.amp

    In Depth | Moons – NASA Solar System Exploration

    NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.

  8. nasa.gov
    https://solarsystem.nasa.gov › solar-system › kuiper-belt › in-depth.amp

    In Depth | Kuiper Belt – NASA Solar System Exploration

    NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.

  9. nasa.gov
    https://solarsystem.nasa.gov › asteroids-comets-and-meteors › comets › in-de…

    In Depth | 1P/Halley – NASA Solar System Exploration

    NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.

  10. nasa.gov
    https://solarsystem.nasa.gov › asteroids-comets-and-meteors › comets › oum…

    In Depth | Oumuamua – NASA Solar System Exploration

    NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.