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

    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 › asteroids-comets-and-meteors › ...

    In Depth | Asteroids – 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.

  3. 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 …

  4. nasa.gov
    https://solarsystem.nasa.gov › pluto-by-the-numbers

    Pluto By the Numbers - NASA Solar System Exploration

    Oct 21, 2025 · Pluto was once our solar system's ninth planet, but has been reclassified as a dwarf planet. It's located in the Kuiper Belt.

  5. nasa.gov
    https://solarsystem.nasa.gov › system › downloadable_items
    [PDF]

    GNC Technology Assessment: Part II, Onboard GNC - NASA Solar …

    A multi-target solar-system tour (e.g., of asteroids) is likely to be a low-thrust mission, and require some onboard ability to cope economically with the intense activity of electric propulsion over long cruise …

  6. nasa.gov
    https://solarsystem.nasa.gov › in-progress

    In Progress - 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.

  7. nasa.gov
    https://solarsystem.nasa.gov › bibliography

    Bibliography - NASA Solar System Exploration

    Apr 23, 2024 · 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 › ambassadors

    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.

  9. nasa.gov
    https://solarsystem.nasa.gov › psyche_images

    Psyche Raw Image: Imager B - NASA Solar System Exploration

    NASA Solar System Exploration Our Galactic Neighborhood Solar System Planets Moons Asteroids, Comets & Meteors

  10. nasa.gov
    https://solarsystem.nasa.gov › psyche_images

    Psyche Raw Image: Imager A - NASA Solar System Exploration

    NASA Solar System Exploration Our Galactic Neighborhood Solar System Planets Moons Asteroids, Comets & Meteors