Question

Galaxy Evolution Quick Check
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Question
Which characteristics are considered most typical of an old galaxy in decline?(1 point)
Responses

spiral, abundant planets present
spiral, abundant planets present

shrinking in size, high dust content
shrinking in size, high dust content

very bright, relatively small
very bright, relatively small

low gas content, little star formation

Answer 1

The characteristics that are considered most typical of an old galaxy in decline are:

**low gas content, little star formation**.

This indicates that the galaxy has exhausted much of its star-forming material and is no longer actively producing new stars.