Why Is It That the Majority of Stars in the Sky

question 173

Multiple Choice

Why is it that the majority of stars in the sky are in the main-sequence phase of their lives?

• A) Most stars die at the end of the main-sequence phase.
• B) The main-sequence phase is the longest-lasting phase in each star's life.
• C) The main-sequence phase is the only phase that is common to all stars.
• D) Most stars in the sky were created at about the same time, so these are all in the same phase of their lives.

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Definitions:

Like Terms

Terms in an algebraic expression that have the same variable raised to the same power, making them combinable through addition or subtraction.

Evaluate

To assess or calculate the value or amount of something through analysis or computation.

Six-Figure Accuracy

A level of precision in numerical calculations or measurements that is accurate to six digits.

Solve

To find an answer or solution to a mathematical problem or equation.