Coursebook 31.3 (9702 A Level) · Astronomy and cosmology

31.3Stellar radii: Wien and Stefan–Boltzmann

Syllabus section: Stellar radii

Use Wien’s displacement law, λₘₐₓ ∝ 1/T, and the Stefan–Boltzmann law, L = 4πσr²T⁴, to estimate the radius of a star.

Also in:IBE.5

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