Sentences with phrase «massive giant molecular clouds»

As astronomers report online today in Nature, magnetic fields inside M33's six most massive giant molecular clouds — large concentrations of dense gas and dust that give birth to stars — line up with the spiral arms, suggesting the magnetic fields helped create the huge clouds and that they regulate how the clouds fragment to form new stars.

Not exact matches

Giant clouds of molecular gas — the most massive objects in our galaxy — are the birthplaces of stars.