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TRIANGULUM GALAXY3 million light-years The Triangulum Galaxy (or Messier 33) is the third largest member of our Local Group. Some experienced observers claim to be able to see this galaxy in exceptionally clear conditions, which would make it the most distant object visible with the naked eye. It is easier to spot with a small telescope or binoculars. Messier 33 is a classic spiral galaxy, its spiral arms dotted with the glowing red hydrogen gas of star-forming regions. Credit: Image made in visible light by Robert Gendler. |