The Triangulum Galaxy

Messier 33, also known as the Triangulum Galaxy, is one of our closest galactic neighbours. Located approximately 2.7 million light-years away in the constellation Triangulum, it is the third-largest member of the Local Group after the Andromeda Galaxy and the Milky Way. Seen almost face-on, M33 reveals a remarkably open and irregular spiral structure. Its arms are filled with young, hot stars that give large parts of the galaxy their distinctive blue colour, interspersed with numerous reddish and...