Question
Which characteristics are considered most typical of an old galaxy in decline?(1 point)
Responses
low gas content, little star formation
low gas content, little star formation
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
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Responses
low gas content, little star formation
low gas content, little star formation
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
Skip to navigation
Answers
GPT-5 mini
low gas content, little star formation
Old, "dead" galaxies (typically ellipticals) have used up or lost most of their cold gas, so they show little ongoing star formation and contain older stellar populations.
Old, "dead" galaxies (typically ellipticals) have used up or lost most of their cold gas, so they show little ongoing star formation and contain older stellar populations.