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Aliens From 1,715 Stars Could’ve Seen Earth Over the Past 5,000 Years, Study Suggests
Astronomers on Earth have spotted thousands of exoplanets since the 1990s, so it’s not unreasonable to assume that aliens, should they exist, would be capable of the same feat. Working under this assumption, astronomers have identified a surprising number of nearby stars from which alien astronomers could’ve detected our planet since the advent of human…