Solar Farms, Cities, and Data Centers: Could Earth's Built Landscape Signal Extraterrestrials?
To the point
From space, large human-made structures like the Topaz Solar Farm and lit cities could unintentionally signal our presence to distant aliens, a notion explored from Gauss and Galton to Douglas Vakoch, with today’s data centers and vast commercial zones potentially acting as similar beacons, though it’s unknown whether aliens are listening.
