This Star Just Ate a Planet, and It’s Not Done Yet

Astronomers confirmed TOI-5882, a subgiant star 1,300 light-years away, actively engulfed a super-Earth to Neptune-mass planet, evidenced by extreme lithium enrichment in its spectra. The star, hosting a 22 Jupiter-mass brown dwarf companion, likely consumed the planet due to dynamical perturbations, with spectral data placing it in the 98.4th percentile for lithium. This rare observation of a live star devouring a planet offers direct insights into stellar evolution and planetary system instability, contrasting with prior studies of white dwarfs consuming debris. While not aviation-specific, the discovery advances astrophysical modeling techniques that could indirectly support space mission planning and exoplanet detection strategies for future operators.