Which of the Following Is NOT a Characteristic of a Spiral

question 10

Multiple Choice

Which of the following is NOT a characteristic of a spiral galaxy?

• A) most of its material is in the shape of a flattened disk
• B) it has quite a bit of gas and dust in it
• C) it has young stars and bright emission nebulae
• D) when we take spectra of its stars, they have far less of the heavier elements than the Sun
• E) the bright stars in it can be seen organized into distinct spiral arms

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