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Planetary science

Planetary science

Compositions of exoplanets and their stars have a surprising relationship, study reveals

27 Oct 2021
Illustration of planet formation
Formative years: Artist’s impression of the formation of a planet in an accretion disc surrounding a Sun-like star. The illustration shows rocks and iron molecules in the foreground. (Courtesy: Tania Cunha/Planetário do Porto - Centro Ciência Viva & Instituto de Astrofísica e Ciências do Espaço)
The chemical compositions of rocky planets are linked to that of their host stars, but the relations

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