Question

Scientists estimate that we are about halfway through the lifetime of the Sun. Given that the Sun is estimated to be about 5 billion years old, this means that the Sun’s lifetime is expected to be what length of time? (1 point) Responses 20 billion years 20 billion years 10 billion years 10 billion years 5 billion years 5 billion years 4.5 billion years

Answer 1

If scientists estimate that we are about halfway through the lifetime of the Sun and it is currently about 5 billion years old, then the total expected lifetime of the Sun would be approximately 10 billion years. Therefore, the correct response is **10 billion years**.