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
very bright, relatively small
very bright, relatively small
spiral, abundant planets present
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 state of older galaxies, where the available gas for new star formation has been depleted, leading to a decline in star creation activity.
