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What Does 60 Years of Silence Tell Us About the Search for Extraterrestrials?

Astronomers have only been scanning the skies for a signal from extraterrestrial civilizations for about 60 years. Although no signal has been found, a new study suggests that this lack of detection can help us predict what the future holds for SETI. According to their analysis, this means there's a 50% probability that Earth won't detect signals for the next 60 to 1800 years.

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