From Celestia Worldbuilding Project Wiki

Acra is a star in the Bora Molecular Cloud Complex. It has two planets, Kyra and Marat. Though the system is too young for life to have evolved naturally, it's the home system of the Karon, a former subspecies of the Pron who set off in a colony ship towards this system after the death of Cracca.

This article is a stub or work-in-progress, and should be expanded with more content.