... Johannes Schedler Explanation: The small, northern constellation Triangulum harbors this magnificent face-on spiral galaxy, M33. ... About 3 million light-years from the Milky Way, M33 is itself thought to be a satellite of the Andromeda Galaxy and astronomers in these two galaxies would likely have spectacular views of each other's grand spiral star systems. ... In fact, the cavernous NGC 604 is the brightest star forming region, seen here at about the 1 o'clock position from the galaxy center. ...