How does the composition between irregular, spiral, and elliptical galaxies compare?
1 Answer
Apr 23, 2018
The PRIMARY distinction is simply their shape. Elliptical ones tend to have more "old" stars and less star formation.
Explanation:
https://space-facts.com/galaxy-types/
Not directly related to the question, but excellent graphics of different galaxies!:
http://www.rhysy.net/galaxy-sizes.html