Balrog Macula
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Balrog Macula
Pluto-BrassKnuckles-20150716.jpg
The Brass Knuckles chain of equatorial dark regions on Pluto
Location Pluto
Coordinates 10°S 80°WCoordinates: 10°S 80°W
Eponym balrog
Balrog Macula /ˈbælrɒɡ/ is the largest of the "Brass Knuckles", a series of equatorial dark regions on Pluto.
It is the largest dark equatorial feature on Pluto after Cthulhu, and is located in the middle of the leading hemisphere.
It is named after the balrogs, a race of demons in the fiction of J. R. R. Tolkien.[1][2]