A Comparison of an Elliptical Galaxy and a Spiral Galaxy

question 7

Multiple Choice

A comparison of an elliptical galaxy and a spiral galaxy of the same mass a billion years after both began formation would show that

• A) they should each have about the same number of stars.
• B) the elliptical galaxy will have formed more stars than the spiral galaxy.
• C) the spiral galaxy will have formed more stars than the elliptical.
• D) neither galaxy will have formed any stars during the first billion years.

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