Veulia

Veulia is the 2nd major moon of Haturna.

Atmosphere
Veulia has a atmosphere as thick to a little thicker than Martian atmosphere, however, it composes Sulfur and Carbon.

Surface
It composes some liquid acid on the surface combined with some sodium methane and nitrogen.

Mountains
It has barely any mountains to almost none on the surface, but there is 2 notable ones that are super-high up.

Trivia

 * Only major moon with a visible atmosphere.