Hailey’s comet is visible after every_________? A. 84 years B. 76 years C. 1000 years D. 365 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