science-junkie: In 1963 on his “Transmission of Information by Extraterrestrial Civilizations” the Russian astronomer Kardashev proposed a system to classify any extraterrestrial civilizations based on the energy available to them in order to make
science-junkie: In 1963 on his “Transmission of Information by Extraterrestrial Civilizations” the Russian astronomer Kardashev proposed a system to classify any extraterrestrial civilizations based on the energy available to them in order to make
science-junkie: In 1963 on his “Transmission of Information by Extraterrestrial Civilizations” the Russian astronomer Kardashev proposed a system to classify any extraterrestrial civilizations based on the energy available to them in order to make
science-junkie: In 1963 on his “Transmission of Information by Extraterrestrial Civilizations” the Russian astronomer Kardashev proposed a system to classify any extraterrestrial civilizations based on the energy available to them in order to make
![Ftloas: For The Love Of A Sub – Photo Gallery [ Follow / Submit / Ask ]](https://69.media.tumblr.com/f216611ba75f0a1392182e450f8e3399/tumblr_mlb4ycn2Sd1ry2rtco1_250.jpg)
