The term "faint blue galaxy" typically refers to a type of galaxy that appears blue and has a relatively low brightness. These galaxies are often observed in deep-sky surveys and are characterized by their blue color, which indicates active star formation. Here are a few key points about faint blue galaxies: 1. **Color and Composition**: The blue color of these galaxies often arises from the presence of hot, young stars, which emit significant amounts of blue and ultraviolet light.
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