Which of the following best describes the Milky Way Galaxy? Select one: a. A sph

Question

Which of the following best describes the Milky Way Galaxy?

Select one:

a. A spherically shaped collection of about 1 million stars that is about 100 light-years in diameter

b. A spiral galaxy with a disk about 1 billion kilometers in diameter and containing between 100 million and 1 billion stars

c. A spherically shaped collection of stars including our solar system and about a dozen other solar systems, stretching about 4 light-years in diameter

d. A spiral galaxy with a disk about 100,000 light-years in diameter and containing between 100 billion and 1 trillion stars

Explanation / Answer

Which of the following best describes the Milky Way galaxy -

Answer -

D. A spiral galaxy with a disk about 100,000 light years in diameter and containing between 100 billion and 1 trillion stars

* spiral galaxy includes the stars and hades which are concentrated mainly in one or more spiral arms.

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