Home » What is the name for the duration of time required for the Sun to orbit once around the center of the Milky Way Galaxy?What is the name for the duration of time required for the Sun to orbit once around the center of the Milky Way Galaxy?by Trivia QuestionsMarch 20, 2023View AnswerGalactic year (or a cosmic year)Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Name * Email * Website Comment * Save my name, email, and website in this browser for the next time I comment. Δ