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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, [7] 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 ...
The lot and block survey system is a method used in the United States and Canada to locate and identify land, particularly for lots in densely populated metropolitan areas, suburban areas and exurbs. It is sometimes referred to as the recorded plat survey system or the recorded map survey system. [1]
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 ...
Any errors in the survey became apparent at the road junctions, with the side roads being offset. [9] Example Jogged Intersection in Single Front Township. Single-front survey example (Ontario) In a double-front survey, lots were measured from the front of the concession to a midpoint, and then from the back of the concession to the midpoint ...
A human mission to Mars, tens of millions of miles or km, is similarly challenging. [14] The Mars rover mission, for example, took 253 days to get to Mars. [14] Russia, China, and the European Space Agency ran an experiment, called MARS-500, between 2007 and 2011 to gauge the physical and psychological limitations of crewed space flight. [15]
Planetary chauvinism is the belief that human society will always be planet-based (even if extended beyond Earth), and overlooks or ignores the potential benefits of space-based living. [1] The idea can be extended to alien society in general, that is, we should expect alien society to be planet based. [ 2 ]
Concept for NASA Design Reference Mission Architecture 5.0 (2009). Mars to Stay missions propose that astronauts sent to Mars for the first time should intend to remain there. . Unused emergency return vehicles would be recycled into settlement construction as soon as the habitability of Mars becomes evident to the initial pionee
As early as 2007, Elon Musk publicly stated a personal goal of eventually enabling human exploration and settlement of Mars. [5] Subsequently, SpaceX has stated its goal is to colonize Mars to ensure the long-term survival of the human species, [6] proposing since the 2000s and early 2010s different concepts for reaching Mars, including space tugs.