Triangulum is a small northern constellation whose three brightest stars, of third and fourth magnitude, form an elongated triangle. It is one of the 88 modern constellations, and also one of the 48 listed by Ptolemy.
... The population density is 139.0/km² (360.6/mi²). There are 744 housing units at an average density of 136.8/km² (354.8/mi²). The racial makeup of ...