The Kardashev Scale
A Type I civilization can muster an amount of energy equivalent to the total energy output of the Earth. Based on his estimates, the energy output of the Earth is about 10^15 to 10^16 watts.
A Type II civilization can marshal the energy equivalent to the output of a typical star - 10^26 watts.
A Type III civilization's communication energy can reach 10^36 watts, approximately equal to the energy output of a galaxy.
Civilization on Earth is currently about Type 0.7 not even a full Type I.
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Interesting that I’ve found this book as a side note in “The denial of death” by Ernest Becker. Didn’t expect something from it, and for sure didn’t expect it to grab my attention at all. Unquestionably an enthralling book, first of the “Remembrance of Earth’s past” trilogy. I would recommend it to anyone who dares to imagine beyond our existence.
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