How does the appearance of spiral galaxies vary? Select the two correct answers.(1 point) Responses Some are more elongated in shape than others. Some are more elongated in shape than others. They vary in how tightly their arms are wound. They vary in how tightly their arms are wound. They vary in the brightness of stars located on their arms. They vary in the brightness of stars located on their arms. Some have a band of stars and materials through their middle, but others do not.
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The two correct answers regarding the variation in the appearance of spiral galaxies are:
These aspects reflect the differences in structure and morphology that can be observed in spiral galaxies.
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