Although the Sun is much more dense than a GMC, the volume of a GMC is so great that it contains much more mass than the Sun.
== Oblike molekularnih oblakov ===== Orjaški molekularni oblaki (GMC-ji) ===Ogromni skupki molekularnega plina z maso okoli 103-107 Sončevih so imenovani orjaški molekularni oblaki (z angleško kratico GMC-"Giant molecular cloud").