Sadī is a crater on Mercury. Its name was adopted by the

International Astronomical Union The International Astronomical Union (IAU; , UAI) is an international non-governmental organization (INGO) with the objective of advancing astronomy in all aspects, including promoting astronomical research, outreach, education, and developmen ...

(IAU) in 1976, after Persian poet

Saadi Shirazi Abu Mohammad Moshrefoldin Mosleh ebn Abdollah ebn Mosharraf, better known by his pen name Saadi (; , ), also known as Saadi of Shiraz (, ''Saʿdī Shīrāzī''; born 1210; died 1291 or 1292), was a Persian poet and prose writer of the medieval p ...

. The northern rim of Sadī is in permanent shadow.ILLUMINATION MAP OF MERCURY'S SOUTH POLE
NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

References

Impact craters on Mercury {{Mercury-crater-stub