Authors: Steven Suan Zhu
The emergence of intelligence is likely a relatively recent phenomena throughout the cosmos. The total number of habitable extraterrestrial planets within the Milky Way capable of supporting advanced, intelligent life within the next 500 Myr is <5,162. Almost all of which are earth-like orbiting around a single star with mass ranges from 0.628 to 1 solar mass. No exomoons are capable of supporting advanced life, and a negligible number of low mass binary systems (<0.628 solar mass) are habitable. The nearest extraterrestrial industrial civilization lies at least 88.7 million light years away, and possibly 111 million light years beyond. No extraterrestrial civilization arises before 232.74 Mya within the observable universe, and no extraterrestrial civilization arises before 270.95 Mya within the universe by co-moving distance. Despite great distances between the nearest civilizations and the low probability of emergence within our vicinity, given the sheer size of the universe, the total number of intelligent extraterrestrial civilizations likely approaches infinity or 1 4.4·107 3 · 3.621 · 106 · 101010122 if the universe is finitely bounded. Based on incentives for economic growth, all civilizations tend to expands near the speed of light and will eventually universally connect with each other via wormhole networks. Within such a network, the fartherst distances traversable from earth can be either infinite or 3.621 · 106 · 101010122 light years in radius if the universe is finitely bounded.
Comments: Newest update, added 80 pages and tons of equations revisions DOI: 10.13140/RG.2.2.19408.00004/1
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