Approximately what fraction of the Sun's main-sequence lifetime has been completed at the present time? (See Table 19-1 of Universe, 11th ed.)

A)less than 10%
B)about 3/4
C)about 1/4
D)about 1/2

Question

Approximately what fraction of the Sun's main-sequence lifetime has been completed at the present time? (See Table 19-1 of Universe, 11th ed.)
​
 ​
A)less than 10% 
B)about 3/4 
C)about 1/4 
D)about 1/2

Quizplus · Accepted Answer

The Answer of Approximately what fraction of the Sun's main-sequence lifetime has been completed at the present time? (See Table 19-1 of Universe, 11th ed.)
​
 ​
A)less than 10% 
B)about 3/4 
C)about 1/4 
D)about 1/2

Approximately What Fraction of the Sun's Main-Sequence Lifetime Has Been