Several billion stars arranged in arms spiraling outwards best describes a spiral galaxy. Option C is correct.
What is a galaxy?
A galaxy is a massive clump of gas, dust, and billions of stars and their solar systems bound together by gravity.
A spiral galaxy features a revolving disc with spiral 'arms' extending outwards from a dense center area.
A spiral galaxy is the Milky Way. Galaxies are divided into four categories: spiral, barred spiral, elliptical, and irregular.
A spiral galaxy is best described as a collection of billions of stars twirling outwards in arms.
Hence, option C is correct.
To learn more about the galaxy refer to the link;
brainly.com/question/2905713
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