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

    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 …

  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 · Planets About Planets PLANETS Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune

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

    Mars By the Numbers - NASA Solar System Exploration

    Oct 21, 2025 · ATMOSPHERIC CONSTITUENTS Carbon Dioxide, Nitrogen, Argon Nitrogen, Oxygen Compare all Eight Planets

  5. nasa.gov
    https://solarsystem.nasa.gov › solar-system-ambassadors › events

    Events - NASA Solar System Exploration

    May 18, 2023 · Planets About Planets PLANETS Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune

  6. nasa.gov
    https://solarsystem.nasa.gov › solar-system-ambassadors › directory

    Directory - NASA Solar System Exploration

    Jan 9, 2020 · Planets About Planets PLANETS Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune

  7. 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 – …

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

    In Depth | Kuiper Belt – NASA Solar System Exploration

    Objects in these orbits interact strongly with the gravity of the giant planets. Because of these powerful gravitational encounters, most are fated to either be ejected from the solar system or …

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

    In Depth | Moons – NASA Solar System Exploration

    Of the terrestrial (rocky) planets of the inner solar system, neither Mercury nor Venus have any moons at all, Earth has one and Mars has its two small moons. In the outer solar system, the …

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

    In Depth | Asteroids – NASA Solar System Exploration

    Stray asteroids and asteroid fragments have slammed into Earth and the other planets in the past, playing a major role in altering the geological history of the planets and in the evolution of life …