Categories Uncategorized Mars Opportunity Rover dies after 15 years. It was only supposed to operate for 90 days. It was over engineered. Post author By Sic Post date 14 February 2019 No Comments on Mars Opportunity Rover dies after 15 years. It was only supposed to operate for 90 days. It was over engineered. ← Cradle Walking Car → Rare black panther finally photographed Leave a Reply Cancel replyYou must be logged in to post a comment.