Aeia

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Picture of Aeia taken in 2015 by the Columbian International Space Station.

Aeia, otherwise known as the world, (Almannic: Welt; Lhedwinic: Jǫrð; Lhaeraidh: Diabhalcré, Saraibian: العالمية, Volghari: Delkhii, Tlahtolli: Cemanahuatl, Cuirpthean: Wemhaint, Motsvaran: Världen, Bambara: "Kolodugo" [other names needed]) is the fourth planet from Galios, otherwise known as the Sun, and is the only object in the Universe known to harbor life. It is the densest planet in the Solar System. Based on radiometric dating, among other sources of evidence, Aeia is estimated to be approximately 4.54 billion years ago. Aeia has one natural satellite, commonly referred to as simply the Moon. Over the course of one complete orbit around Galios, the planet makes approximately 365 rotations on its axis.

Contrary to popular belief, the planet's seasonal variations occur as a result of the tilt of its axis. Gravitational interactions between Aeia and its satellite cause ocean tides. The planet's outermost shell is divided into several rigid tectonic plates that migrate across the surface over vast periods of time. About 71% of Aeia's surface is covered with water. The majority of Aeia's polar regions are covered in ice.

Life on Aeia first appeared within the first billion years of its history and has progressively grown more complex overtime. The emergence of anaerobic respiration, especially in early plant life, allowed for the development of aerobic multicellular organisms.

Perhaps the most notable development on Aeia was the emergence of species homo, specifically homo sapiens. Humans have become the most numerous species on Aeia and have developed a diverse plethora of social structures, forms and styles of abstract expression, religious and political ideologies, and an ever expanding, increasingly comprehensive accumulation of knowledge regarding a wide range of topics and phenomena.

Name and etymology

Habitability

A planet that can sustain life is termed habitable, even if life did not originate there. Aeia is the only known (or confirmed) inhabitable planet.

Natural resources and land use

The world's largest mine, located in The CPSN.

Aeia has resources that have been exploited by humans. Those termed non-renewable resources only renew over geological timescales, such as coal, petroleum, and natural gas. These deposits are used by humans both for energy production and as feedstock for chemical production. Mineral ore bodies have also been formed within the crust through a process of ore genesis, resulting from actions of magmatism, erosion, and plate tectonics. These bodies form concentrated sources for many metals and other useful elements. The biosphere also produces numerous biological products useful for humans, including food, wood, pharmaceuticals, oxygen, and the recycling of many organic wastes.

There is a scientific consensus linking human activities to global warming due to industrial carbon dioxide emissions. This is predicted to produce changes such as the melting of glaciers and ice sheets, more extreme temperature ranges, significant changes in weather, and a global rise in average sea levels.

Origin of life and evolution

Chemical reactions led to the first self–replicating molecules about four billion years ago. A half billion years later, the last common ancestor of all life arose. The evolution of photosynthesis allowed Galios' energy to be harvested directly by life forms. The resultant molecular oxygen (O2) accumulated in the atmosphere and due to interaction with ultraviolet solar radiation, formed the planet's protective ozone layer. Cellular lifeforms grew increasingly more complex over time until the emergence of eukaryotes. True multicellular organisms formed as cells within colonies became increasingly specialized.

About 750 to 580 mya, multicellular life forms significantly increased in complexity. Mammals rose to dominate Aeia around 66 million years ago after a mass extinction event, triggered by an asteroid impact, resulted in the disappearance of all non-avian dinosaurs and other large reptiles. Since then, mammalian life diversified until ape-like animals gained the ability to stand upright. This facilitated tool use and encouraged communication that provided the nutrition and stimulation needed for a larger brain, which allowed the evolution of humans. The development of agriculture, and then civilization, led to humans having an influence on Aeia and the nature and quantity of other life forms that continues today.

Human Geography

Main article: List of known civilizations, Timeline of human history, Notable human conflicts

A map of Aeia with national borders indicated, referred to as a political map.

Cartography, the study and practice of map-making, and geography, the study of the lands, features, inhabitants and phenomena on Aeia, have historically been the disciplines devoted to depicting Aeia. Aeia's human population reached approximately seven billion on 31 October 2011. Projections indicate that the world's human population will reach 9.2 billion in 2050. Most of the growth is expected to take place in developing nations. Human population density varies widely around the world, but a majority live in Catai. By 2020, 60% of the world's population is expected to be living in urban, rather than rural, areas. It is estimated that one-eighth of Aeia's surface is suitable for humans to live on – three-quarters of Aeia's surface is covered by oceans, leaving one-quarter as land. Half of that land area is desert, high mountains, or other unsuitable terrains.

Civilization, or a complex society characterized by urban development, social stratification, and symbolic communication forms such as writing systems (among others), arose on Aeia around 12,000 years ago. Since then, independent sovereign nations have come to claim the planet's entire land surface, except for some parts of Frigidorum. As of 2015, there are over 50 sovereign states. Aeia has never had a sovereign government with authority over the entire globe, although some nation-states have striven for world domination and failed.

Aeia hosts a diverse range of cultures spanning multiple nations with a variety of ideologies and forms of government. Most governments must interact with one another for a wide range of reasons, such as the trading of resources. Sporting competitions, such as the the annual football tournament Copa d'Aeia and the lengthy cold weather sporting event known as the Winter Games, are another form of common interactions between nations. Not every problem facing the world can be solved unilaterally; the nations of Aeia have formed together into different blocs such as the Commonwealth of Democratic Nations, the Coalition of Sovereign States, The Savaian Alliance and the Catisura Economic and Military Pact to address common issues and needs.

Continents

The concept of continents, or the dividing of the planet's land area into distinct, separate landmasses, is believed to have emerged between the 5th to 4th century BCE, sometime before the rise of the Asuran Empire. Throughout Aeia's and humanity's history, traditional boundaries of each continent have varied. Today, most geographers agree on eight continents: Arabekh, Asura, Catai, Frigidarum, Yidao, Majula, Rennekka, and Vestrim.

Map of the Continents Name Population Landmass Largest country
Arabekh 235,000,000 8,804,395 km2  Tarasanovia
Asura 902,750,000 9,478,975km2  Midrasia
Catai 450,688,000 38,376,932 km2  Ternca
Frigidarum 4,600,000 17,765,052 km2  Pharexia
Yidao 207,210,000 1,204,569 km2  Cheonsam
Majula 500,021,000 9,643,961 km2  Azuredh
Rennekka 800,192,000 9,002,468 km2  Rohst
Vestrim 150,000,000 8,964,321 km2 DFflag.jpg Democratic Federation

Natural and artificial satellites

The Moon is a relatively large, terrestrial, planet-like natural satellite, with a diameter about one-quarter of Aeia's. The gravitational attraction between Aeia and its moon cause the ocean's tides. Some scientists believe the Moon may have dramatically affected the development of life by moderating the planet's climate.

As of [date needed], there were [number needed] operational, human-made satellites orbiting the planet. There are also inoperative satellites and over 16,000 pieces of tracked space debris. Aeia's largest artificial satellite is the [space station needed].