The OBSERVER’S HANDBOOK for 1959 is the 51st issue. Three additions have been made: daily values of the sun’s selenographic colongitude, planetary appulses and occultations, and a table of the nearest stars.
The Observer’s Handbook for 1957 is the 49th and largest yet published. Interest in astronomy has increased steadily in the last ten years: the current impetus of the International Geophysical Year is coupled with that of rapid and incredible developments in many fields related to astronomy. The advances being made daily in radio astronomy, missiles research and the proposed launching of man-made satellites have led the intelligent layman to feel the need for a greater knowledge of the fundamentals of astronomy.