Classification of Interstellar
A. L. Zaitsev
Kotel'nikov Institute of
Radio-engineering and Electronics of RAS, Fryazino branch
Received October 14, 2011
Abstract. Using the proposed classification criteria, all known interstellar
radio messages are divided into two essentially different groups –
scientifically-based messages and pseudo-messages. Imitation of interstellar transmissions
by most of the exo-civilizations can cause the Great Silence.
Keywords: interstellar radio messages, SETI, METI, Great Silence.