Undetected Alien Visitors: Fermi Paradox, Zoo Hypothesis, and Detection Frontiers

To the point

Alien visitors could reach Earth undetected due to vast distances and unknown physics, and while ideas like the zoo hypothesis or cloaking attempt to explain the silence, the Fermi paradox named after Enrico Fermi remains unresolved even as detection methods improve.

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Could Aliens Visit Earth Without Us Knowing
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Could Aliens Visit Earth Without Us Knowing

For centuries, humans have looked up at the night sky with a mixture of awe and curiosity, imagining that among the countless stars there might exist life ...