Faculae on Mercury
29 named features carry the IAU descriptor Facula — a bright spot on Mercury, out of 61 in the mapped Solar System.
Named
29
of 606 named places on Mercury — 4.8%
Largest
270 km
Nathair Facula
Median size
48.3 km
Across the 29 with a measured diameter
Named between
2018–2025
IAU approval dates
How faculae on Mercury get their names
The IAU assigns each feature class on each world a naming theme. Across the 29 faculae with a recorded origin, 26 categories appear, led by India.
India2Nigeria2Philippines2Ireland1Afrikaans1Zulu1Sweden1Madagascar1
All 29 faculae on Mercury
Every one has its own page, on the surface it sits on.
Nathair Facula270 kmSlang Faculae204 kmInyoka Faculae130 kmOrm Faculae125 kmPampu Facula120 kmEjo Faculae115 kmBibilava Faculae100 kmNeidr Facula90 kmSerp Facula78 kmMadu Facula70 kmNakahi Facula64 kmGata Facula55 kmNgu Facula53 kmAgwo Facula50 kmCoatl Facula48.3 kmAhas Facula45 kmAmaru Facula45 kmUlar Facula41 kmYinshe Facula41 kmSarpa Facula39 kmBitin Facula39 kmZmija Facula34.7 kmSuge Facula32 kmAbeeso Facula32 kmMaciji Facula29 kmThueban Facula25 kmHavu Facula23 kmNzoka Facula20 kmIbab Facula13 km
Faculae elsewhere in the Solar System
The same descriptor is used on 4 other worlds, for 32 more features.