4. Galaxies and Cosmology
Galaxy Types — Quiz
Test your understanding of galaxy types with 5 practice questions.
Practice Questions
Question 1
Which type of galaxy is characterized by a significant amount of ongoing star formation, often appearing blue due to the presence of young, hot stars?
Question 2
What is the primary characteristic that differentiates an elliptical galaxy from a spiral galaxy in terms of structure?
Question 3
Irregular galaxies often exhibit a high rate of star formation. What is a common contributing factor to this enhanced star formation?
Question 4
Which of the following statements accurately describes the typical stellar population found in the central bulge of a spiral galaxy?
Question 5
Consider a galaxy with a high proportion of interstellar gas and dust, and a well-defined, rotating disk. Which type of galaxy is it most likely to be?