The appearance of spiral galaxies can vary in the following ways:
- Some are more elongated in shape than others.
- They vary in how tightly their arms are wound.
These variations contribute to the diversity of spiral galaxies observed in the universe.
How does the appearance of spiral galaxies vary? Select the two correct answers.
Responses
They vary in the brightness of stars located on their arms.
They vary in the brightness of stars located on their arms. - no response given
Some are more elongated in shape than others.
Some are more elongated in shape than others. - no response given
Some have a band of stars and materials through their middle, but others do not.
Some have a band of stars and materials through their middle, but others do not. - no response given
They vary in how tightly their arms are wound.
1 answer