M33:Spiral Galaxy in Triangulum

Triangulum, this small northern constellation located in the north, harbors this spiral galaxy. It is known as M33, or the pinweel galaxy as well as the triangulum. M33 is over 50,000 light-years in diameter, third largest in the local group of galaxies after the Andromeda Galaxy (M31), and our own Milky Way. This galaxy is thought to be a satellite of the andromeda galaxy. At about 1 o clock from the galaxy cener, NGC 604 is the brightest star forming region. Astronomers use the variable stars to measure distances to other places in the universe. That Rocks!