Thal's development is largely due to the settlement of independent turians on Altakiril. They built secret installations on Xerceo's moons. Resource exploitation is low due to cost-ineffective methods, though there is some interest terraforming Sarait.

By 2186, most traces of civilization in the system have been wiped out by the Reapers.

Altakiril

Altakiril is the third planet orbiting the star Thal.

Main article: Altakiril

Garan

Garan is the first planet orbiting the star Thal.

Main article: Garan

Rakari Belt

The outer belt of Thal's two asteroid belts, beyond Xerceo's orbit. It contains Virits.

Sarait

Sarait is the second planet orbiting the star Thal.

Main article: Sarait

Tyrix

Tyrix is an asteroid orbiting the star Thal.

Main article: Tyrix

Virits

Virits is an asteroid orbiting the star Thal.

Main article: Virits

Xerceo

Xerceo is the fourth planet orbiting the star Thal.

Main article: Xerceo