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Earth may already be broadcasting its presence to alien civilizations without realizing it. A new study shows that our deep-space transmissions, especially those aimed at Mars and interplanetary spacecraft, spill over into space in detectable patterns. If extraterrestrial observers were aligned with certain planetary positions, they’d have a strong chance of catching our signals. The findings suggest that by mirroring this logic—looking for exoplanet alignments and focusing on nearby star systems—we could boost our own search for alien technosignatures.

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