A faint blue galaxy (FBG) is an inconspicuous, often small galaxy with low surface luminosity. In addition to being dim, they show a remarkably high quantity of sparsely scattered blue stars, but comparatively few red stars, which in most galaxies are by far the most common.
A faint blue galaxy (FBG) is an inconspicuous, often small galaxy with low surface luminosity. In addition to being dim, they show a remarkably high quantity of sparsely scattered blue stars, but comparatively few red stars, which in most galaxies are by far the most common.
Source: Wikipedia "Faint blue galaxy" · CC BY-SA 4.0
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