Science

Strong magnetic fields could allow white dwarfs to grow beyond the Chandrasekhar limit

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 09/10/2026, 17:25:24 UTC.

Briefings

A 2026 study suggests strong magnetic fields might enable white dwarfs to exceed the Chandrasekhar limit of 1.4 solar masses. The evidence comes from a single sentence describing the core of a dying star, which becomes an Earth-sized remnant after shedding outer layers. This finding challenges the long-standing upper mass limit for non-rotating white dwarfs. The research remains in preprint status with significant uncertainty regarding the physical mechanisms required for such growth.

Key points

• A 2026 study proposes that strong magnetic fields could allow white dwarfs to grow beyond the Chandrasekhar limit of approximately 1.4 solar masses.
• The evidence is limited to a single sentence describing the core of a dying star, which becomes an Earth-sized remnant after shedding outer layers.

Context and limitations

The evidence is a single sentence from a preprint article published in October 2026. The study relies on theoretical models rather than observational data, and the specific conditions required for magnetic field growth remain unverified.

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