Explorations of space, like the earlier explorations, are great adventures because they are bold, and they are bold because they are hazardous.
Science and Survival, Chapter 4 (p. 56), The Viking Press. 1966
Explorations of space, like the earlier explorations, are great adventures because they are bold, and they are bold because they are hazardous.
Science and Survival, Chapter 4 (p. 56), The Viking Press. 1966