'Carl Sagan pioneered & promoted SETI, the search for this kind of intelligence'
extraterrestrial
EASY DOES IT: Carl Sagan pioneered & promoted SETI, the search for this kind of intelligence
Carl Sagan pioneered & promoted SETI, the search for this kind of intelligence
Carl Sagan pioneered & promoted SETI, the search for this kind of intelligence
"E"ASY DOES IT
extraterrestrial
"E"ASY DOES IT