Question

What is the life expectancy of a 16-solar mass star?

Answer 1

Answer:

10

million yearsExplanation:

Life expectancy of sun i.e. one solar mass is

10

10

years.

The relation between life expectancy

T

e

, in terms of life expectancy of sun and its mass

M

in terms of solar mass is

T

e

=

1

M

2.5

hence life expectancy of a

16

-solar mass star is

1

16

2.5

×

10

10

years

=

1

1024

×

10

10

years

=

0.0009766

×

10

10

years

=

9.766

×

10

6

years

or roughly

10

million years