Fraser Cain
You might be surprised to hear this, but planet Earth contains a technological civilization. That's according to the Odysseus lunar lander that touched down on the Moon in February. The lander was equipped with an instrument called ROLSES, which examined the radio emissions of Earth as if it were an exoplanet. It was able to examine the Earth for 90 minutes, providing a glimpse of what Earth might look like from 30 light-years away.
https://www.colorado.edu/today/2024/06/10/new-experiment-scientists-record-earths-radio-waves-moon
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