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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
low gas content, little star formation
low gas content, little star formation
spiral, abundant planets present
spiral, abundant planets present
very bright, relatively small
very bright, relatively small
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1 answer
The characteristics that are considered most typical of an old galaxy in decline are:
low gas content, little star formation
This reflects the idea that older galaxies often have exhausted their supplies of gas needed for new star formation and tend to show less activity in producing new stars.
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