Lacus Doloris
Encyclopedia
Lacus Doloris is a small lunar mare
located in the Terra Nivium
region at 17.1° N, 9.0° E. It is 110 km in diameter.
Lunar mare
The lunar maria are large, dark, basaltic plains on Earth's Moon, formed by ancient volcanic eruptions. They were dubbed maria, Latin for "seas", by early astronomers who mistook them for actual seas. They are less reflective than the "highlands" as a result of their iron-rich compositions, and...
located in the Terra Nivium
Terra Nivium
Terra Nivium is a roughly triangular highland region on the Moon. In his Almagestum novum, the notable selenographer Giovanni Riccioli named the various highland regions terrae...
region at 17.1° N, 9.0° E. It is 110 km in diameter.