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🟣 Some stars eat its planets. The chemical paradox of HD 81809
🔗 https://skycr.org/2026/06/06/some-stars-eat-its-planets-the-chemical-paradox-of-hd-81809/

A new MESA modelling study finds that the secondary star in the binary system HD 81809 may have swallowed between 25 and 75 Earth masses of planetary material — but lithium observations complicate the picture, revealing a chemical paradox with no clean solution yet.
The post Some stars