Approximate age of sun is _________? A. 4.4 billion years B. 4.5 billion years C. 4.6 billion years D. 4.7 billion years 0 0 votes Article Rating Subscribe Login Notify of new follow-up comments new replies to my comments Label {} [+] Name* Email* Label {} [+] Name* Email* 0 Comments Oldest Newest Most Voted Inline Feedbacks View all comments