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  1. Triton (moon) - Wikipedia

    Triton is the largest natural satellite of the planet Neptune. It is the only moon of Neptune massive enough to be rounded under its own gravity and hosts a thin, hazy atmosphere.

  2. Triton - NASA Science

    Nov 3, 2024 · Triton is the largest of Neptune's 13 moons. It is unusual because it is the only large moon in our solar system that orbits in the opposite direction of its planet's rotation―a …

  3. Triton | Facts & Composition | Britannica

    Nov 27, 2025 · Triton, largest of Neptune ’s moons, whose unusual orbital characteristics suggest that it formed elsewhere in the solar system and was later captured by Neptune. It was …

  4. Triton, Neptune's largest moon - The Planetary Society

    Triton is the largest of Neptune’s 14 known moons. The icy world is likely a Kuiper Belt Object that was captured by Neptune’s gravity. Triton may have a liquid water ocean beneath its surface, …

  5. Triton: Neptune's Odd Moon | Space

    Jan 27, 2018 · To NASA's knowledge, Triton is the only moon in the solar system that orbits in a direction opposite to the rotation of its planet. Additionally, its surface is a study of contrasts, …

  6. Neptune’s Moon Triton - WorldAtlas

    3 days ago · The largest moon of Neptune is called Triton. Triton is the seventh largest moon in the solar system and composes 99.5% of the total mass of all moons in Neptune’s orbit.

  7. The moon Triton - History, orbit, atmosphere, surface, structure ...

    Find out information about the moon Triton, the largest moon of the planet Neptune. Learn about its history, its odd orbit, the impact of Neptune's pull, its surface, its structure.

  8. Triton: Cryovolcano Moon of Neptune | Go Astronomy

    Triton is the largest moon of planet Neptune and the only large moon in the solar system with a retrograde orbit in the opposite direction from Neptune's rotation. Triton is thought to have …

  9. In Depth | TritonNASA Solar System Exploration

    Triton is the largest of Neptune's 13 moons. It is unusual because it is the only large moon in our solar system that orbits in the opposite direction of its planet's rotation―a retrograde orbit. …

  10. Journey to a cold and curious moon - The Space Review

    Feb 27, 2023 · Triton, a large moon that orbits Neptune backwards, opposite the direction that most of the other moons in the solar system do, had some dark splotches on its cold icy surface.