AAA Editor Notes
Whipple Observatory is atop Mount Hopkins in the Santa Rita Mountains. The visitor center is accessible from I-19 exit 56 (Canoa Rd.); from Canoa Rd. turn e. to Frontage Rd., 3 mi. s. to Elephant Head Rd., 1 mi. e. to Mount Hopkins Rd., then 7 mi. s.e. The observatory houses one of the world's largest mirrored telescopes for conducting interstellar investigations. A visitor center has exhibits about astronomy, astrophysics and natural science as well as scenic views. A 6-hour guided tour of the observatory is available by appointment; phone for more information.