![How Can Humanity Advance As A Civilization? The Kardashev Scale How Can Humanity Advance As A Civilization? The Kardashev Scale](https://i.ytimg.com/vi/4Z8g2gNshYk/maxresdefault.jpg)
Commercial Purposes ► Lorenzovareseaziendale@gmail.com - - That's a long time, during which time an alien civilization might have developed sophisticated propulsion systems-perhaps faster-than-light, worm-hole technology, or some other kind of cosmic shortcut that would allow them to colonize ...
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