New Trick for Finding Alien Civilizations

New Trick for Finding Alien Civilizations

     The hunt for extraterrestrial life — of any kind, including lowly, long-dead microbes — is lofty enough. But the hunt for intelligent civilizations that could be looking for us in return? It’s even more of a long shot. In a new paper published in the journal Astrobiology, researchers present one possible strategy for finding these theoretical beings: Assume that they’re searching for us in exactly the same way we’re searching for them.
Rachel Feltman
The Washington Post
3-1-16

[…]

“It’s impossible to predict whether extraterrestrials use the same observational techniques as we do,” study co-author René Heller of the Institute for Astrophysics in Göttingen, Germany, said in a statement. “But they will have to deal with the same physical principles as we do, and Earth’s solar transits are an obvious method to detect us.”

In theory, we may be able to catch a planet that had already sent us some kind of message long, long ago. And once we knew what direction to listen in, we’d stand a better chance of capturing it. […]

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