BBC Sky at Night Magazine on MSN
Aliens could detect our airports. Scientists say radar signals could reveal our presence across the galaxy
Planet Earth could be giving out its own signals, which could in turn be detected by distant astronomers on an alien planet ...
Earth's airports may be broadcasting our existence to the galaxy without anyone intending to. A 2025 study from the University of Manchester found that radar systems at major airports emit ...
Airport radar systems used daily at major hubs including London Heathrow and New York's JFK could be unintentionally ...
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