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Scientists scanned the entire sky in thirty seconds with unimaginable precision to listen for alien technosignatures or the echo of dark matter — and found only silence.
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30 seconds — and 3 million sky images. The OVRO telescope scanned the airwaves but found only silence. Imagine: we're not searching for a symphony, but a single pure tone amid the cosmic noise. That tone could be the voice of dark matter turning into a radio wave near a neutron star. Someday, such a signal will overturn physics. For now — silence. But we're just starting to listen.
🎯 The survey's sensitivity is such that it could detect a television transmitter equivalent to Earth's from hundreds of light-years away — if someone were broadcasting analog shows into space.
🎬 The search for narrowband signals is familiar from Carl Sagan's 'Contact': the heroine picked up a transmission from Vega, while we are listening to millions of stars at once — and so far, we only hear static.
