Class T nebula
A class T nebula was a type of small nebula, around a thousand kilometers in diameter, composed of hydrogen, helium, and argon. 

The  passed a T-class nebula in 2376. A Hierarchy assault starship was hidden inside the cloud. ()

A T-class nebula was located within three light years of the planet Dinaal. It contained a planetoid with a mining colony. ()

ja:Tクラス星雲
nl:Klasse T nevel
de:T-Klasse-Nebel
T
Celestial objects