Well, more precisely, aliens who are transmitting something akin to the Arecibo ...

		duskwuff on July 28, 2015 \| parent \| context \| favorite \| on: Voyager’s Golden Record for Aliens Now Available o... 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.