A distant Sun-like star appears to have devoured one of its planets, leaving behind a surprising chemical fingerprint. Researchers found an unusually high concentration of lithium, a strong sign that planetary material was mixed into the star. Careful comparisons with dozens of similar stars confirmed the signal is highly unusual, and scientists think a massive brown dwarf companion may have helped send the planet on its fatal plunge.
Cet article est paru en premier sur le site https://www.sciencedaily.com/releases/2026/07/260715083538.htm