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The two most common reasons in favor of colonization are the survival of humans and life independent of Earth, making humans a multiplanetary species, [6] in the event of a planetary-scale disaster (natural or human-made), and the commercial use of space particularly for enabling a more sustainable expansion of human society through the ...
An O'Neill cylinder (also called an O'Neill colony, or Island Three) is a space settlement concept proposed by American physicist Gerard K. O'Neill in his 1976 book The High Frontier: Human Colonies in Space. [1] O'Neill proposed the colonization of space for the 21st century, using materials extracted from the Moon and later from asteroids. [2]
A permanent human presence in space depends on an established space infrastructure which harbours, supplies and maintains human presence. Such infrastructure has originally been Earth ground-based, but with increased numbers of satellites and long-duration missions beyond the near side of the Moon space
Space and survival is the idea that the long-term survival of the human species and technological civilization requires the building of a spacefaring civilization that utilizes the resources of outer space, [1] and that not doing this might lead to human extinction. A related observation is that the window of opportunity for doing this may be ...
One of the primary arguments for space colonization is to ensure the long-term survival of the human species. In the event of worldwide artificial or natural disaster a space colony would allow the human species to continue on. [5] Michael Griffin, the NASA administrator in 2006, stated the case as follows:
A growing number of scientists think human colonization of the solar system is inevitable. It's not clear when we'll see humans walking around on the moon or Mars, but it's coming, and it's going ...
The second aspect of the Fermi paradox is the argument of probability: given intelligent life's ability to overcome scarcity, and its tendency to colonize new habitats, it seems possible that at least some civilizations would be technologically advanced, seek out new resources in space, and colonize their star system and, subsequently ...
Stephen Hawking is a supporter of space travel, in part, because he thinks the survival of humanity depends on it. Hawking shared these thoughts in an afterword for Julian Guthrie's book "How to ...