Borealis Planitia is a large basin 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".
Borealis Planitia is a large basin 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".