Enrichment from supernovas occurs in all galaxies, but usually the new elements are observed in a highly diluted form as they are mixed up with the rest of the interstellar gas.

• 所有的星系都历经了超新星导致的重元素富集，但通常情况下，由于与其余星际气体的混合，人们所见的新元素都非常分散。