Also known as: TRA-
TRA stands for various terms. Discover the full forms, meanings, and possible interpretations of TRA across different fields and industries.
Triangulum Australe is a small constellation in the far Southern Celestial Hemisphere. Its name is Latin for "the southern triangle", which distinguishes it from Triangulum in the northern sky and is derived from the almost equilateral pattern of its three brightest stars.
Constellation NamesScientific & EducationalLast updated: