Which is a mark of a galaxy formed by collapse?(1 point)

Responses

a mix of young and old stars
a mix of young and old stars

same age stars
same age stars

abundant gas and dust
abundant gas and dust

uniformly young stars

1 answer

A mark of a galaxy formed by collapse is:

a mix of young and old stars

This reflects the process of galaxy formation, where older stars formed first, and younger stars formed later from the remaining gas and dust.