Which of the following best describes the Milky Way Galaxy?
A) a spherically shaped collection of stars including our solar system and about a dozen other solar systems, stretching about 4 light- years in diameter
B) a spiral galaxy with a disk about a billion kilometers in diameter and containing between 100 million and 1 billion stars
C) a spiral galaxy with a disk about 100,000 light- years in diameter and containing between 100 billion and 1 trillion stars
D) a spherically shaped collection of about 1 million stars that is about 100 light- years in diameter
E) a spiral galaxy with a disk about 100,000 light- years in diameter and containing about 100,000 stars
Correct Answer:
Verified
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