Planets Line Up For Inspection
GRAND TOUR of the Solar System appears on the horizon for astronomers with the approach of 1976. Three sites in the southwestern United States use IBM computers to analyze celestial data. The University of Arizona near Tucson studies planetary atmospheres, Lowell Observatory in Flagstaff measures distant stars, and Cloudcroft New Mexico hosts an Electro-Optical Site taking 200 photos a second to track satellites.