Science7/9/2025β€’Wired

A Giant Planet and a Small Star Are Shaking Up Conventional Cosmological Theory

A Giant Planet and a Small Star Are Shaking Up Conventional Cosmological Theory

The discovery of a giant gas planet comparable in size to Saturn orbiting a small red dwarf star is challenging conventional cosmological theory. This finding is unexpected, as current models suggest that small, low-mass stars should not be able to host such large planets. The existence of this planet-star system is pushing astronomers to reconsider their understanding of planet formation processes. Typically, gas giants are believed to form around more massive stars, while smaller stars are thought to only be able to support smaller, Earth-sized planets. This unexpected discovery is forcing experts to reevaluate their theories and explore alternative explanations for how such a large planet could have formed and survived around a diminutive red dwarf star. The implications of this finding may lead to a significant shift in our understanding of planetary systems and the conditions necessary for their formation.

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