The expected life span of a star the size of the Sun is
A)10 billion years.
B)1 billion years.
C)100 million years.
D)10 million years.

Question

Quizplus · Accepted Answer

The expected life span of a star the size of the Sun is determined by its mass and energy production through nuclear fusion. The Sun's mass is in the range of 0.08 to 1.0 solar mass, and it is classified as a G-type main-sequence star. The Sun is estimated to have a total lifespan of about 10 billion years, and it has existed for about 4.6 billion years. Therefore, option A) is the correct answer.

The Expected Life Span of a Star the Size of the Sun