The Triangulum constellation is a small constellation located in the northern sky. It is named after the Latin word for "triangle," as its three brightest stars form a triangular shape. This constellation is best visible in the fall and is situated near other constellations like Andromeda and Aries. Triangulum is home to the Triangulum Galaxy, also known as M33, which is one of the closest galaxies to the Milky Way. The constellation contains several notable deep-sky objects, making it a popular target for amateur astronomers. Its stars are relatively faint, but they can be identified with the naked eye in dark skies.