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Abstract

Cosmic plasmas contain energy which may be tapped and used for spacecraft propulsion. The energy needed for launching a spacecraft could be supplied to it from the ground through a plasma channel in the atmosphere.

References

ALFVEN, H, COSMIC ELECTRODYNAMICS 2: 78 (1971).
KANTROWITZ, A, RELEVANCE OF SPACE, BULLETIN OF THE ATOMIC SCIENTISTS 27: 32 (1971).
STEVENSON, R, PERSONAL COMMUNICATION.
STUHLINGER, E, ION PROPULSION SPACE (1964).
UMAN, M.A., LIGHTNING (1969).
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Published In

Science
Volume 176 | Issue 4031
14 April 1972

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Published in print: 14 April 1972

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Hannes Alfvén
Department of Applied Physics and Information Science, University of California, San Diego, La Jolla 92037

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