[Worldtraveler once upon a time]

A fine and detailed presentation at Cal Tech many years ago addressed the red shift and SETI, and came to quite the same conclusion. There is one bandwidth due to the red shift and gravitational bending in which “noise” is mostly absent, and any reasonably advanced species wishing to send a receivable message would do so. Silence in that bandwidth. But the other imagination-sparking theories are so tasty and exciting.... We are very, very likely alone. On God's green and wonderful earth.

[SaveFerris]

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