Question
What life cycle stage is the Sun currently in?
middle age
young
newly born
old age
middle age
young
newly born
old age
Answers
GPT-5 mini
Middle age.
The Sun is a main-sequence star about 4.6 billion years old and is roughly halfway through its ~10-billion-year hydrogen-burning lifetime, so it's considered middle-aged.
The Sun is a main-sequence star about 4.6 billion years old and is roughly halfway through its ~10-billion-year hydrogen-burning lifetime, so it's considered middle-aged.