Age of solar system By crictensDecember 14, 2021Every Day Science A: 4.5 billion years B: 5.5 billion years C: 6.5 billion years D: 7.5 billion years Post navigation Age of solar systemA untit lenght that is equal to the average distance between the Earth and the Sun is called Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.