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Hai-Jun Tian

1 articles · 4 co-authors · latest: 2026-02-07

Lithium Dip Found in Unexpectedly Young Stars

In the 35-million-year-old 'Serpens' star cluster, astronomers discovered a 'lithium dip' — a sharp shortage of lithium in stars. It was previously thought that this only occurs after 150 million years. Fast rotation, like a blender, speeds up the destruction of primordial lithium, forcing a rethink
arXiv:2602.07367 · 2026-02-07