If the Sun converts 5 × 10¹¹ kg of H to He per second and 10 percent of the Sun's total mass is available for nuclear burning,how long might we expect the Sun to live?

Question

Quizplus · Accepted Answer

The Sun's total mass is approximately 2 × 10^30 kg. If 10% of this mass is available for nuclear burning, that is 2 × 10^29 kg. Dividing this by the rate of conversion (5 × 10^11 kg/s) gives approximately 4 × 10^17 seconds, which is roughly 1.3 × 10^10 years.

If the Sun Converts 5 × 1011 Kg of H

If the Sun Converts 5 × 10¹¹ Kg of H