What Do Alien Civilizations Look Like? The Kardashev Scale

Sources & further reading: The observable universe is a big place that has been around for more than 13 billion years. Up to two trillion galaxies made up of something like 20,000 billion billion stars surround our home galaxy. In the milky way alone scientists assume there are some 40 billion earth like planets in the habitable zone of their stars. When we look at these numbers it is hard to imagine that there is nobody else out there. OUR CHANNELS ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ HOW CAN YOU SUPPORT US? ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ This is how we make our living and it would be a pleasure if you support us! DISCUSSIONS & SOCIAL MEDIA ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ OUR VOICE ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ The kurzgesagt voice is from OUR MUSIC ♬♪ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ 700+ minutes of kurzgesagt soundtracks by Epic Mountain: The soundtrack of this video: If you want to help us caption this video, please send subtitles to subtitle@kurzgesagt.org You can find info on what subtitle files work on YouTube here: Thank you! PATREON BIRD ARMY ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ Taimur Ijaz, Tony, Michael Baughman, Andrew Hui, Sleepy, Kyle Wayman, Ryan Newsome, Jeremy Southgate, Anthony Stellato, Cartasiand, MabodofuTK, Manuel Mayer, Christine, Thomas Mann, Brandie Andrews, Ricardo Anjos, JR 1, William Marshall, Desirae Pulido, asher flatt, Garrett, 김sha, Ryan Collier, Jan Sjögren, Giorgio Bettineschi, Nick W, Gabriela, Calum Calder, Adam Haspel, Arthur Pemberton, mark faber...