Category: exoplanets

If We Heard from Aliens, What Would It Look Like?

Earth can be a really loud place if you’re searching for an extraterrestrial signal. So how does SETI sift through all the cosmic noise to hunt for alien signals?

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Finding Artificial Signals: Lights in the Dark
https://seti.berkeley.edu…

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Astronomers have been looking for signs of extraterrestrial signals for decades, and not yet found any. Today we will examine the notion of Interstellar Beacons and ask just how far away you can be heard if you want to be.

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