Eavesdropping on the Universe

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This artists rendering shows a hypothetical distant world inhabited by intelligent aliens. The Mileura Wide-Field Array will be able to eavesdrop for unintentional signals from any such worlds within 30 light-years of Earth. Credit: David A. Aguilar ...
This artist's rendering shows a hypothetical distant world inhabited by intelligent aliens. The Mileura Wide-Field Array will be able to "eavesdrop" for unintentional signals from any such worlds within 30 light-years of Earth. Credit: David A. Aguilar (CfA)

Astronomers have proposed an improved method of searching for intelligent extraterrestrial life using instruments like one now under construction in Australia. The Low Frequency Demonstrator (LFD) of the Mileura Wide-Field Array (MWA), a facility for radio astronomy, theoretically could detect Earth-like civilizations around any of the 1,000 nearest stars.


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