The gravitational lens as an intergalactic communication tool

Details The gravitational lens as an intergalactic communication tool The gravitational lens as an intergalactic communication tool

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mala.iafcr....c&link_type=abstract

IAF, International Astronautical Congress, 40th, Malaga, Spain, Oct. 7-13, 1989. 6 p.

Astronomy and Astrophysics

Astronomy

Extraterrestrial Communication, Gravitational Lenses, Intergalactic Media, Project Seti, Space Communication, Black Holes (Astronomy), Radio Communication, Relativistic Effects

Scientific paper

The nature of the gravitational lens phenomenon and its potential application as a tool in cosmic communication are discussed. It is shown that, under very restricted situations, the gravitational lens may be a method of choice for the transfer of information between galaxies and for the search of extragalactic SETI. Interferometric high time resolution/broad bandwidth modes are suggested as a scenario for extragalactic SETI.

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