Observations from the brand-new CHEOPS mission reveal a third long-period transiting planet around the naked-eye star ν2 Lupi. Precise measurements of the masses and radii of planets around this star show a diversity of planetary compositions possibly ranging from bare rock to a significant volatile atmosphere.
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Huang, C.X. A diverse planetary trio around a naked-eye star. Nat Astron 5, 746–747 (2021). https://doi.org/10.1038/s41550-021-01386-0