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Right, but he's saying that if Earth's own signals fail to propagate even outside our solar system, alien signals will have to be exponentially more powerful th
by fendrak 15y ago
Right, but he's saying that if Earth's own signals fail to propagate even outside our solar system, alien signals will have to be exponentially more powerful than ours to even stand a chance of being received. The distance from Earth to Saturn is tiny in comparison to the distance between planetary systems.
- cma 15y agoPolynomially. Not exponentially. The surface area of a sphere doesn't grow exponentially with radius.
- jjtheblunt 15y agoI'm so glad to see you wrote that, seriously. It is absurd how it has become pop-cultural to use "exponentially".