|
|
|
|
|
|
by duskwuff
3976 days ago
|
|
|
Well, more precisely, aliens who are transmitting something akin to the Arecibo message: https://en.wikipedia.org/wiki/Arecibo_message Except we only sent ours once in 1974, so aliens who didn't happen to be listening in the right direction right then are out of luck. |
|
|