Gaila's moon
Gaila's moon was a small moon owned by Quark's cousin, . He had been able to buy it with the profit he made selling weapons. ()

Quark often considered owning his own moon, like Gaila, to be a benchmark towards finally becoming a success. ()

Appendices

Background information

Apocrypha 
The DS9 novel Demons of Air and Darkness reveals Gaila had to sell his moon to finance Nassuc's insurrection on Palamar.

External link 
 

Moons