Triangulum is a small constellation in the northern sky. Its name is Latin for "triangle", derived from its three brightest stars, which form a long and narrow triangle.

Triangulum is a small constellation in the northern celestial hemisphere. Its three brightest stars form an elongated triangle. The constellation contains the Triangulum Galaxy (M33), one of …

Triangulum, constellation in the northern sky at about 2 hours right ascension and 30° north in declination. Its brightest star is Beta Trianguli, with a magnitude of 3.0.

As its name suggests, Triangulum means “Triangle” in Latin, and there is no mistaking its shape, as its three principal stars mark out a shallow triangle, with the sharp end pointing southwest …

Dec 13, 2025 · Triangulum is a constellation created to represent the island of Sicily. Naturally, it contains just three stars. Triangulum is a Latin word; the English meaning/translation is the …

Apr 24, 2025 · Spiral galaxy M33 is located in the triangle-shaped constellation Triangulum, earning it the nickname the Triangulum galaxy. About half the size of our Milky Way galaxy, …

Triangulum (pronounced traɪˈæŋɡjʊləm) is the Latin name of a constellation situated north of the celestial equator. As such, it is more easily visible from the northern hemisphere.

Triangulum's origin can be traced back to ancient Greek times, where this triangle of stars was used to inscribe the Greek letter Delta “Δ” into the stars.

Dec 19, 2025 · Bottom line: The constellation Triangulum lies close to overhead in northern skies on December evenings. It contains the Triangulum galaxy, a gorgeous pinwheeling spiral.

Explore the Triangulum constellation’s stars, myths, and unique galaxy. Learn how to locate it, its fascinating features, and its role in cosmic history.