E. C. Clipher, the Lowell Observatory and Mars

Yavapai College instructor builds own planetarium near Prescott

About Robert Burnham Jr., Prescott amateur astronomer

Feature on Spacewatch, Tom Gehrels' Tucson-based low-budget (but spectacularly successful) program to identify asteroids which might pose a threat to the earth. Ports.

Mummy Mountain observatory of the author

Grace H. Flandrau Planetarium at University of Arizona

About Percival Lowell and his work