When you click on the link from their promotional e-mail, the next page announces “IT’S ALMOST CERTAIN WE’RE NOT ALONE.”
Wait, we have gone from a definitive “We are not alone” to a waffling “It’s almost certain we’re not alone” in one simple click?
The question is no longer, is there life beyond Earth? It’s a pretty sure bet there is. The question now is, how do we find it? Earth supports life in part because its terrain is rocky, and it doesn’t receive too much solar radiation. Its distance from the sun allows water to be in a liquid state. So far, 47 exoplanets have been found that fit that profile. “We Are Not Alone” at National Geographic
Okay but now one question: If none of those 47 planets has life, does that count as evidence against the proposition that “We Are Not Alone”? Does anything count as evidence against the proposition?
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See also: They’ll always be out there as long as people have imaginations
How do we grapple with the idea that ET might not be out there?
and
Tales of an invented god