Space colonization would facilitate harvesting the Solar System's energy and material resources. įuture population growth, demand for resources, and an alternate solution to the Doomsday argument may require human colonization of bodies other than Earth, such as Mars, the Moon, and other objects. Illustration of plants growing in an imaginary Mars base. Reasons for terraforming the planet include allaying concerns about resource use and depletion on Earth and arguments that the altering and subsequent or concurrent settlement of other planets decreases the odds of humanity's extinction. Other objections include ethical concerns about terraforming and the considerable cost that such an undertaking would involve. Hazards and difficulties include low gravity, low light levels relative to Earth's, and the lack of a magnetic field.ĭisagreement exists about whether current technology could render the planet habitable. Justifications for choosing Mars over other potential terraforming targets include the presence of water and a geological history that suggests it once harbored a dense atmosphere similar to Earth's. The process would presumably involve the rehabilitation of the planet's extant climate, atmosphere, and surface through a variety of resource-intensive initiatives, and the installation of a novel ecological system or systems.
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The terraforming of Mars or the terraformation of Mars is a hypothetical procedure that would consist of a planetary engineering project or concurrent projects, with the goal of transforming Mars from a planet hostile to terrestrial life to one that can sustainably host humans and other lifeforms free of protection or mediation. Artist's conception of the process of terraforming Mars
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