PREDICTIONS – 10 Years Later - Santa Fe Institute

APPENDIX C
OPENING AND CLOSING A WINDOW TO THE MOON
Cummulative number
of lunar missions
12
8
4
0
1964 1966 1968 1970 1972 1974
APPENDIX FIGURE 2.1 The cumulative number of moon explorations traced out
a rather complete S-curve between 1964 and 1972. Manned and unmanned
launches are considered alike as long as the mission was the moon. ∗
∗ The data come from the World Almanac & Book of Facts, 1988 (New York; Newspaper
Enterprise Association, Inc., 1984).
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