Aliens may have been trying to contact humans for years, suggests study

A planet's radio signal may begin as a sharp tone (left, white) but can be spread out by the star'[s surroundings plasma winds into a wider, fainter signal (right, green). The study suggests we may be missing signals by mostly looking for the sharp white shape instead of the broader green one. (Vishal Gajjar via SWNS)

By Stephen Beech

Aliens may have been trying to contact humans for years, suggests new research.

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(Photo by Igor Mashkov via Pexels)

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(Photo by Derpy CG via Pexels)

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