Planetary Origins

All articles tagged “Planetary Origins”.

8/3/2026

Neptune's Violent Past: JWST Reveals Shattered Icy Worlds in Its Inner Moons

New findings from the James Webb Space Telescope suggest three of Neptune's inner moons—Larissa, Galatea, and Proteus—are not primordial but rather the shattered remnants of ancient icy worlds. This cosmic reconstruction points to Triton, Neptune's largest moon, as the "wrecking ball" responsible for this violent past, offering an unprecedented look into the interiors of distant icy bodies and deepening our understanding of solar system formation.

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