M33 it is the name of the spiral galaxy.
Messier Object 33 is a spiral galaxy in the constellation Triangulum. A Messier Object is just an astronomical object that was catalogued by Charles Messier. The objects include from star clusters, nebulae, remnants of super novae, double stars, galaxies, and asterisms. Object 33 is a galaxy.
Последний раз редактировалось jeffthree; 22.08.2007 в 20:44.
Причина: more explanation
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