Borealis Planitia

Borealis Planitia
Part of Borealis Planitia, photographed by MESSENGER
Feature typePlanitia
LocationBorealis quadrangle, Mercury
Coordinates73°24′N 79°30′W / 73.4°N 79.5°W / 73.4; -79.5
EponymLatin for "Northern Plain"

Borealis Planitia /bɒrˈɪs pləˈnɪʃiə/ is a large plain on Mercury with a smooth floor, thought to be similar to a lunar mare. It is centered at 73.4° N, 79.5° W. The name is Latin for Northern Plain.