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From Cibernética Americana
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- ...tense [[radio]] waves for a [[Star#Classification|G2 star]] due to Earth's television and telecommunication broadcasts. In the absence of an apparent natural cau ...ith a radio telescope as sensitive as the [[Arecibo Observatory]], Earth's television and radio broadcasts would only be detectable at distances up to 0.3 [[ligh80 KB (11,985 words) - 13:49, 20 December 2011