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What Do Alien Civilizations Look Like? The Kardashev Scale
11:41 / 7291433 views / 393496 likes / 4980 dislikes / 02.08.2020 / Channel: Kurzgesagt


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https://sites.google.com/view/sources-kardashev-scale/

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.


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