Changer la langue cible pour obtenir des traductions. Europa, a moon of Jupiter, is a potential candidate for terraforming. "Planetary Engineering on Mars". Letters must be adjacent and longer words score better. The paraterraforming approach also allows for a modular approach that can be tailored to the needs of the planet's population, growing only as fast and only in those areas where it is required. By using a solid envelope in this manner, even bodies which would otherwise be unable to retain an atmosphere at all (such as asteroids) could be given a habitable environment. There are many potential political issues arising from terraforming a planet, such as who gets to own the extraterrestrial land on the new planet, with contenders being national governments, trans-national organizations like the United Nations, corporations or individual settlers themselves. Une fenêtre (pop-into) d'information (contenu principal de Sensagent) est invoquée un double-clic sur n'importe quel mot de votre page web. The rings are created using Forerunner technology, and terraformed during their construction by an extra-galactic construct known as The Ark or Installation 00. A similar device exists in the animated feature film Titan A.E. On the pro-terraforming side of the argument, there are those like Robert Zubrin, Martyn J. Fogg, Richard L. S. Taylor and the late Carl Sagan who believe that it is humanity's moral obligation to make other worlds suitable for life, as a continuation of the history of life transforming the environments around it on Earth. This would accelerate the production of oxygen, which theoretically would make the planet eventually able to support animal and human life. [16] Convection within the core of Mars, which is made mostly of iron,[17] originally generated a magnetic field. Read, Peter L.; Lewis, Stephen R. (2004). Paraterraforming has several advantages over the traditional approach to terraforming. [29][30] They also point out that Earth would eventually be destroyed if nature takes its course, so that humanity faces a very long-term choice between terraforming other worlds or allowing all terrestrial life to become extinct. If initially lifeless, then such a world could host a biosphere of considerable complexity without the need for terraforming. [3] This volatile combination could not be sustained through time. [8] Lovelock's book was one of the first to describe a novel method of warming Mars, where chlorofluorocarbons (CFCs) are added to the atmosphere. [6] Not until 1982 was the word terraforming used in the title of a published journal article. in Schmidt, Stanley; Zubrin, Robert. Jupiter's Europa, Ganymede and Callisto also have an abundance of water ice. Once conditions become more suitable for life, the importation of microbial life could begin. In the 2008 video game Spore, the player is able to terraform any planet by using either terraforming rays or a "Staff of Life" that completely terraforms the planet and fills it with creatures. Recent works involving terraforming of Mars include the Mars trilogy by Kim Stanley Robinson and The Platform by James Garvey. The Biosphere 2 project built a dome on Earth that contained a habitable environment. On Earth, this process is counteracted when plate tectonics works to cause volcanic eruptions that vent carbon dioxide back to the atmosphere. which depicts the eponymous ship Titan, capable of creating a planet. Le service web Alexandria est motorisé par Memodata pour faciliter les recherches sur Ebay. Lovelock, James and Allaby, Michael (1984). John Hickman has pointed out that almost none of the current schemes for terraforming incorporate economic strategies, and most of their models and expectations seem highly optimistic. (1996). [7] The paper discussed the prospects of a self-regulating Martian biosphere, and McKay's use of the word has since become the preferred term. Implanting Life on Mars as a Long Term Goal for Mars Exploration, in. Other possible candidates for terraformation (possibly only partial or paraterraforming) include Titan, Callisto, Ganymede, Luna (the Moon), and even Mercury, Saturn's moon Enceladus and the dwarf planet Ceres. Lettris is a curious tetris-clone game where all the bricks have the same square shape but different content. We're doing our best to make sure our content is useful, accurate and safe.If by any chance you spot an inappropriate comment while navigating through our website please use this form to let us know, and we'll take care of it shortly. An absolute requirement for life is an energy source, but the notion of planetary habitability implies that many other geophysical, geochemical, and astrophysical criteria must be met before the surface of an astronomical body is able to support life. It has the disadvantage of requiring massive amounts of construction and maintenance activity.

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