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DIRECT CONTACT AMONG GALACTIC CIVILIZATIONS BY RELATIVISTIC INTERSTELLAR SPACEFLIGHTDirect contact with galactic civilization through the use of relativistic spaceflight rather than electromagnetic communication
Document ID
19630021769
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Sagan, C.
Date Acquired
August 1, 2013
Publication Date
May 1, 1963
Subject Category
Space Radiation
Accession Number
63A17828
Funding Number(s)
CONTRACT_GRANT: NSG-126-61
Distribution Limits
Public
Copyright
Other
Keywords
EXTRATERRESTRIAL LIFE
MANNED SPACECRAFT
SPACE FLIGHT
INTERSTELLAR TRAVEL

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