Planets aren’t rare. Life is surprisingly durable. The more we’ve learned about the Universe, the more the search for extraterrestrial life has shifted from science fiction to serious scientific undertaking. So it’s worth considering how humanity would react if we learned, through some distant but unmistakable signal, that lifeforms elsewhere in the Universe were communicating with us. In this interview, Seth Shostak, senior astronomer at the Center for SETI Research in California, discusses how first contact is more likely to be perspective-shifting than Earth-shattering.
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