Question
What life cycle stage is the Sun currently in?
Group of answer choices
newly born
middle age
old age
young
Group of answer choices
newly born
middle age
old age
young
Answers
GPT-5 mini
middle age
The Sun is a G-type main-sequence star (about 4.6 billion years old) fusing hydrogen in its core; with a main-sequence lifetime of ~10 billion years, it is roughly halfway through its life.
The Sun is a G-type main-sequence star (about 4.6 billion years old) fusing hydrogen in its core; with a main-sequence lifetime of ~10 billion years, it is roughly halfway through its life.