The Sun will exhaust its nuclear fuel in about

Question

Quizplus · Accepted Answer

The Sun is expected to exhaust its nuclear fuel in about 5 billion years, which is known as the "Red Giant" phase. This is based on the estimated age of the Sun and its rate of energy output. Option A is too soon, option B is also too soon as it takes longer than 5 million years for the Sun to exhaust its nuclear fuel, and option D is too far off in the future, as the Sun is not expected to last that long.

The Sun Will Exhaust Its Nuclear Fuel in About