Zeta Leonis (ζ Leo, ζ Leonis) is a third-magnitude star in the constellation Leo, the lion. It has the traditional name Adhafera (Aldhafera, Adhafara), from the Arabic الضفيرة al-ðafīrah "the braid/curl", a reference to its position in the lion's mane. It forms the second star (after Gamma Leonis) in the blade of "The Sickle", which is an asterism formed from the head of Leo.
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