Nilgarnu
Nilgarnu is a fictional planet located in the Andromeda Galaxy. It is known for its vibrant, bioluminescent flora that illuminates the planet's surface during its prolonged nights. The dominant intelligent species, the Lumina, are a sentient, silicon-based lifeform that communicate through intricate patterns of light. They are a peaceful and technologically advanced civilization, primarily focused on understanding the cosmos and their planet's unique ecosystem.
The planet itself is characterized by its dense, crystalline forests and its numerous underground cavern systems.
Research from off-world civilizations suggests that Nilgarnu is a significant source of rare energy crystals, though