Original sentence: The largest molecular clouds, called giant molecular clouds, have typical densities of 100 particles per cm3, diameters of , masses of up to 6 million solar masses, and average temperatures of 10 K
Edited sentence: The largest molecular clouds, called giant molecular clouds, have typical densities of 100 particles per cm3, diameters of , masses of up to 6 million solar masses, and average interior temperatures of 10 K