Carl Sagan and Frank Drake were pivotal to the development of the Search for Extraterrestrial Intelligence (SETI) and Messaging Extraterrestrial Intelligence (METI), as exemplified by the Pioneer Plaques and Voyager Golden Records.
A Brief-ish History of METI. Part III: The Legacy of Frank Drake & Carl Sagan
2 hours ago
1
Bengali (Bangladesh) · 
English (United States) ·