contents
Preface to the Paperback Edition
Preface to the 1983 Edition
Acknowledgments
I. Scientific Heritage
II. The U.S. Program of Rocket Flights of Scientific Equipment
III. Rockoon Flights from Baffin Bay to the Ross Sea
IV. Remarks on the Period 1946–57
V. Plans for Scientific Work with Artificial Satellites of the Earth
Sputnik I
VII. Discovery of the Inner Radiation Belt of the Earth— Explorers I and III
VIII. The Argus Tests
IX. Early Confirmations of the Inner Radiation Belt and Discovery of the Outer Radiation Belt— Explorer IV and Pioneers I, II, III, IV, and V
X. Related Work with Sputniks II and III and Luniks I, II, and III
XI. Second Generation Investigations and Advances in Physical Interpretation
Appendix A
Appendix B
Bibliography