# Argon on Uranus and Neptune may reveal more about their origins than their interiors

- Source: Phys.org - latest science and technology news stories
- Published: 2026-11-11T17:20:05+00:00
- Category: Science
- Original: https://phys.org/news/2026-11-argon-uranus-neptune-reveal-interiors.html
- Canonical: https://groundlevelnews.com/story/argon-on-uranus-and-neptune-may-reveal-more-about-their-origins-than-t-8fd46c/

Measurements of an argon isotope could help scientists understand whether the interiors of Uranus and Neptune, our solar system's so-called ice giants, are dominated by ice or rock. New research led by Southwest Research Institute (SwRI) and published in The Planetary Science Journal measured the planets' atmospheric argon-40 to estimate the amount of rock found beneath their surfaces and search f

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