Question

Short Answer/Essay

Note: Your teacher will grade your responses to questions 18–20 to ensure that you receive proper credit for your answers.
Compare and contrast spiral and elliptical galaxies. (Make at least 2 comparisons.)

Answer 1

Step-by-step explanation:

Astronomers have identified more spiral galaxies than ellipticals, but that's simply because the spirals are easier to spot. While spiral galaxies are bright, elliptical galaxies are dim. The existing stars inside an elliptical galaxy tend to be older, giving off more red light than younger stars.