8 years ago
What Do Scientists Do When They Think They Might Have Intercepted Alien Signals?
Imagine that you’re an astronomer, working in your lab, day in and day out, analyzing signals from space. Waves of energy pass through, you measure them, you calculate what they mean—what stars, asteroids, quasars, black holes, and planets are doing very, very far away from here. One day, a strange signal registers on your instruments. You check that it’s not an equipment error. You start running through possible explanations, all the obvious ones and the less obvious ones. Nothing fits.
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