You Never Get a Seventh Chance to Make a First Impression: An Awkward History of Our Space Transmissions by Genevieve Valentine | Lightspeed Magazine

You Never Get a Seventh Chance to Make a First Impression: An Awkward History of Our Space Transmissions by Genevieve Valentine | Lightspeed Magazine: "Ever since humanity has been able to launch projectiles into space to take nosey pictures that make us all feel insignificant, a major priority has been to somehow communicate with any alien life forms that might come across this space detritus and wonder who shot a space probe right into their upper atmosphere. Using physics, mathematics, art, and even Earth’s greatest weapon (Carl Sagan), our species has painstakingly crafted the first tentative social overtures towards the magnificent extraterrestrials we hope are listening."