International Geophysical YearW
International Geophysical Year
April 1958 lunar eclipseW
April 1958 lunar eclipse
May 1958 lunar eclipseW
May 1958 lunar eclipse
October 1958 lunar eclipseW
October 1958 lunar eclipse
Saturn (rocket family)W
Saturn (rocket family)
Solar eclipse of April 19, 1958W
Solar eclipse of April 19, 1958
Solar eclipse of October 12, 1958W
Solar eclipse of October 12, 1958
Van Allen radiation beltW
Van Allen radiation belt