In which galaxy type are gas and dust actively compressed in spiral arms, triggering the birth of new, massive, and bright blue stars?

Answer

Spiral galaxies

Spiral galaxies possess spiral arms where gas and dust are actively compressed, triggering the birth of new, massive, and bright blue stars.

In which galaxy type are gas and dust actively compressed in spiral arms, triggering the birth of new, massive, and bright blue stars?
galaxyastronomytypestarstellar death