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

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

spiral, abundant planets present
spiral, abundant planets present

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**

Older galaxies tend to have depleted gas supplies, which leads to a reduced ability to form new stars, indicating a decline in their evolution.