Sulantis

Sulantis is a crater planet in the Meruu system orbiting the red dwarf star Meruu A.

Physical characteristics
Sulantis was believed to be the core of a much larger planet. An ancient collision with a large asteroid stripped the planet of most of its atmosphere leaving it a barren rock.

Colonization
Sulantis is a relatively urbanized settlement. Cities are built underground, using wells to bring water from aquifers.