Aliens & UFO's How many extraterrestrial civilizations can exist nearby? In the 12th episode of the series ” Space”, Which aired on December 14, 1980, co-author and host of the program Carl Sagan introduced viewers... SoulAskSeptember 27, 2020
Aliens & UFO's Simple math shows how many space aliens may be out there If you say you believe space aliens exist, I doubt your friends will be shocked. In a universe aglow with 2 trillion galaxies, you’d... SoulAskFebruary 26, 2018