Mavros is a black hole with a radius of 1,000,000 km and a mass of approximately 7x10³⁵ kg

Mavros has been fed by a rogue star, pulled into a decaying orbit by gravitational engineers, producing an accretion disk approximately 5,000,000 km thick.

The most recent star to have fed the singularity has since been fully broken down and the decaying remains of it now orbit it. A new star will be sought soon to prevent the singularity from going dark.

Pilots have learnt to not even come close to the accretion disk in standard vessels as those who do are rarely able to escape the sudden and immense rise in gravity at that distance and are almost always pulled inside and destroyed, ship and all.