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| {{Region_icon_Gentu}} | | {{Region icon Gentu II}} |
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| {{Infobox planet | | {{Infobox planet |
| | bgcolour = #c0c0ff | | | extrasolarplanet = |
| | name = {{black|Gentu}} | | | name = Gentu |
| | symbol = | | | symbol = [[File:Gentusymbol.png|link=|24px]] |
| | background =
| | | image = Gentu II continent.png |
| | image= [[File:Gentu and Cynthia.jpg|300px]]
| | | image_size = <!-- Overrides image size default of 225px --> |
| | caption= Gentu and its [[Moon (Gentu)|moon]], photo taken from the [[Xenophus 2 Mission]] in 2005. | | | image_alt = |
| | alt_names = Gentǔ, Terra, The World | | | caption = |
| | epoch= [[Hodiernus]] | | | apsis = astron |
| | aphelion = {{convert|152100000|km|mi|comma=gaps|abbr=on}} | | | discovery_ref = <!-- <ref>...</ref>--> |
| | perihelion = {{convert|147095000|km|mi|comma=gaps|abbr=on}} | | | discoverer = |
| | semimajor = {{convert|149598023|km|mi|comma=gaps|abbr=on}} | | | discovery_site = |
| | eccentricity = ~0.0167086 | | | discovered = <!--(Date)--> |
| | period = {{convert|365|day|month|comma=gaps|abbr=on}} | | | discovery_method = |
| | avg_speed = {{convert|29.78|km/s|mi/s|comma=gaps|abbr=on}} | | | alt_names = Earth, Terra, Gentu II, the World |
| | mean_anomaly = 358.617° | | | orbit_ref = <!-- <ref>...</ref>--> |
| | inclination = | | | periastron = |
| | asc_node = | | | apoastron = |
| | arg_peri = | | | semimajor = |
| | satellites = 1 natural satellite: [[Moon (Gentu)|Cynthia]]<br>2,000+ operational artificial satellites | | | avg_speed = <!--(Average orbital speed)--> |
| | allsatellites = yes | | | eccentricity = |
| | physical_characteristics = yes | | | period = 365.256 d |
| | mean_radius = 6,306.9 km | | | synodic_period = <!--(Synodic orbital period)--> |
| | equatorial_radius = {{convert|6378.1|km|mi|comma=gaps|abbr=on}} | | | inclination = |
| | polar_radius = {{convert|6356.8|km|mi|comma=gaps|abbr=on}}
| | | angular_dist = |
| | flattening = 0.0033528
| | | long_periastron = <!--(Longitude of periastron)--> |
| | circumference = {{convert|40075.017|km|mi|comma=gaps|abbr=on}} {{smaller|(equatorial)}}<br>{{convert|40007.86|km|mi|comma=gaps|abbr=on}} {{smaller|(meridional)}} | | | time_periastron = <!--(Time of periastron)--> |
| | surface_area = 510,072,000km<sup>2</sup><br>(316,944,000 mi<sup>2</sup>) | | | semi-amplitude = |
| | volume = 1.08321 × 10<sup>12</sup>km<sup>3</sup> | | | star = |
| | mass = 5.97237 x 10<sup>24</sup> kg | | | physical_ref = <!-- <ref>...</ref>--> |
| | density = 5.514 g/cm<sup>3</sup> | | | mean_radius = 6,371.0 km |
| | surface_grav = 9.807 m/s<sup>2</sup> | | | surface_area = 510,072,000 km<sup>2</sup> |
| | moment_of_inertia_factor = 0.3307 | | | volume = 1.083×10<sup>12</sup> km<sup>3</sup> |
| | escape_velocity = {{convert|11.186|km/s|mi/s|comma=gaps|abbr=on}} | | | density = 5.513 g/cm<sup>3</sup> |
| | sidereal_day = {{convert|0.99726968|day|hour|comma=gaps|abbr=on}}
| | | mass = 5.972×10<sup>24</sup> kg |
| | rot_velocity = {{convert|0.4651|km/s|mi/s|comma=gaps|abbr=on}}
| | | surface_grav = 9.807 m/s<sup>2</sup> |
| | axial_tilt = 23.4392811°
| | | moment_of_inertia_factor = |
| | albedo = 0.367 geometric<br>0.306 Bond | | | escape_velocity = |
| | atmosphere = yes
| | | albedo = 0.3601 |
| | temperatures = yes
| | | single_temperature = |
| | temp_name1 = Celsius
| |
| | min_temp_1 = −89.2 °C
| |
| | mean_temp_1 = 14.9 °C
| |
| | max_temp_1 = 56.9 °C
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| | temp_name2 = Fahrenheit
| |
| | min_temp_2 =−128 °F
| |
| | mean_temp_2 = 58.7 °F
| |
| | max_temp_2 = 134.3 °F
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| | temp_name3 =
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| | min_temp_3 =
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| | mean_temp_3 =
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| | max_temp_3 =
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| | surface_pressure = 101.325 kPa (at MSL)
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| | atmosphere_composition = 78.08% nitrogen (N<sup>2</sup>) {{smaller|(dry air)}}<br>20.95% oxygen (O<sup>2</sup>)<br>0.930% argon<br>0.039% carbon dioxide {{smaller|(climate-variable)}}
| |
| | note = no | |
| }} | | }} |
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| '''Gentu''', also known as '''Gentǔ''', or '''Terra''', is the third {{wp|planet}} from the [[Sun (Gentu)|Sun]] and the only {{wp|astronomical object}} known to harbour life. While large amounts of water can be found throughout the [[Gentu System]], only Gentu sustains liquid surface water. About 67% of Gentu's surface is made up of the {{wp|ocean}}. The remaining 33% of Gentu's surface is land, consisting of continents and islands. Gentu's surface layer is formed of several slowly moving {{wp|plate tectonics|tectonic plate}}s, interacting to produce mountain ranges, volcanoes and earthquakes. | | '''Gentu''', also known as '''Gentǔ''', '''Gentu II''', '''Terra''', or '''Earth''', is the second planet from the [[Sun (Gentu II)|Sun]] and the only {{wp|astronomical object}} known to harbour life. While large amounts of water can be found throughout the [[Gentu System]], only Gentu sustains liquid surface water. About 63% of Gentu's surface is made up of the ocean. The remaining 37% of Gentu's surface is land, consisting of continents and islands. Gentu's surface layer is formed of several slowly moving tectonic plates, interacting to produce mountain ranges, volcanoes and earthquakes. |
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| Gentu formed [[Age of Gentu|over 4.5 billion years ago]]. During the first {{wp|billion years}} of [[Gentu's history]], the ocean formed and then {{wp|Abiogenesis|life developed}} within it. Humans emerged 300,000 years ago and have reached a population of almost 12 billion today. Humans depend on Gentu's {{wp|biosphere}} and natural resources for their survival, but have {{wp|Human impact on the environment|increasingly impacted Gentu's environment}}. Today, humanity's impact on Gentu's climate, soils, waters and ecosystems is {{wp|sustainability|unsustainable}}, threatening people's lives and causing widespread extinction of other life.
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| == Etymology ==
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| The [[XXX|modern XXX]] word ''Gentu'' developed from the [[old XXX]] word most often spelled Ĵĕneşės, and the [[old XXX]] phrase spelled Řėľțŭ, both words and phrases meaning ''World'' in their own languages. Where the ancient words derived from is unknown to historians currently.
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| Historically, ''gentu'' has been written in lowercase. From early [[Middle XXX]], its definite sense as "the globe" was expressed as ''gentu''. By Early Modern XXX, many nouns were capitalized, and ''gentu'' was also written ''Gentu'', particularly when referenced along with other heavenly bodies. {{wp|House styles}} now vary: [[XXX spelling]] recognizes the lowercase form as the most common, with the capitalized form an acceptable variant. Another convention capitalizes "Gentu" when appearing as a name (for example, "Gentu's atmosphere") but writes it in lowercase when preceded by the (for example, "the atmosphere of gentu"). It almost always appears in lowercase in colloquial expressions such as "where on gentu are you?"
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| == Chronology ==
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| ''TBA''
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| == Gentu-Cynthia System ==
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| {| class="wikitable" style="float: right; margin-left: 0.5em;" | | ==Etymology== |
| |+ Characteristics
| | ==Geophysical characteristics== |
| |-
| | ==Orbit and rotation== |
| | colspan="2" | [[File:FullMoon2010.jpg|center|200px|[[Full moon]] as seen from Earth's [[Northern Hemisphere]]]]
| | ==Atmosphere== |
| |-
| | ==Hydrology== |
| | '''Diameter''' || {{val|3474.8|u=km|fmt=commas}}
| | ==Satellites== |
| | ==Human geography== |
| | {| class="wikitable sortable" style="float:center; text-align:center;" |
| |- | | |- |
| | '''Mass''' || {{val|7.349|e=22|u=kg}} | | ! {{wp|Flag}} |
| | ! {{wp|Sovereign state|Name}} |
| | ! {{wp|Capital city}} |
| | ! data-sort-type="number" | Population<br>(1999) |
| | ! Area |
| | ! Population<br>density |
| | ! {{wp|Continent}} |
| | ! {{wp|Head of state}} |
| | ! {{wp|Head of government}} |
| | ! {{wp|Nominal GDP}} |
| | ! {{wp|Form of government}} |
| |- | | |- |
| | '''{{wp|Semi-major axis}}''' || {{val|384400|u=km|fmt=commas}} | | | [[File:Mathoi Flag.png|75px]] |
| | | [[Mathoi]] |
| | | [[Phenkung]] |
| | | style="text-align:right;"| 229,913,989 |
| | | style="text-align:right;"| 699,781 km<sup>2</sup> |
| | | style="text-align:right;"| 328.55/km<sup>2</sup> |
| | | [[Hesterath]] |
| | | [[President of Mathoi|President]] [[Andrei Cioloș]] |
| | | [[Prime Minister of Mathoi|Prime Minister]] [[Han Yeonghee]] |
| | | style="text-align:right;"| $14,693 billion |
| | | style="background:gray; color:black | Federal republic |
| |- | | |- |
| | '''Orbital period''' || {{nowrap|27{{smallsup|d}} 7{{smallsup|h}} 43.7{{smallsup|m}}}} | | | [[File:Neragon Flag.png|75px]] |
| |}
| | | [[Neragon]] |
| Cynthia is a relatively large, {{wp|Terrestrial planet|terrestrial}}, planet-like {{wp|natural satellite}}, with a diameter about one-quarter of Gentu's. It is the largest moon in the Gentu System relative to the size of its planet, although [[XXX (moon)|XXX]] is larger relative to the {{wp|dwarf planet}} [[XXX]]. The most widely accepted theory of the Cynthia's origin, the {{wp|giant-impact hypothesis}}, states that it formed from the collision of a Gentu-size protoplanet called Gaia with the early Gentu. This hypothesis explains (among other things) Cynthia's relative lack of iron and volatile elements and the fact that its composition is nearly identical to that of Earth's crust.
| | | [[Wilding]] |
| | | | style="text-align:right;"| 183,833,000 |
| The gravitational attraction between Gentu and Cynthia causes {{wp|tide}}s on Gentu. The same effect on Gentu has led to its {{wp|tidal locking}}: its rotation period is the same as the time it takes to orbit Gentu. As a result, it always presents the same face to the planet. As Cynthia orbits Gentu, different parts of its face are illuminated by the Sun, leading to the {{wp|lunar phase}}s.
| | | style="text-align:right;"| 1,810,655 km<sup>2</sup> |
| | | | style="text-align:right;"| 101.5/km<sup>2</sup> |
| Cynthia may have dramatically affected the development of life by moderating the planet's climate. {{wp|Paleontology|Paleontological}} evidence and computer simulations show that Gentu's axial tilt is stabilized by tidal interactions with Cynthia. Some theorists think that without this stabilization against the {{wp|torque}}s applied by the Sun and planets to Gentu's equatorial bulge, the rotational axis might be chaotically unstable, exhibiting large changes over millions of years, as is the case for XXX, though this is disputed.
| | | [[Oranland]] |
| | | | [[Monarch of Neragon|Monarch]] [[Henry IV, King of Neragon|Henry IV]] |
| === Asteroids and artificial satellites ===
| | | [[Prime Minister of Neragon|Prime Minister]] [[John Sonnenfeld]] |
| | | | style="text-align:right;"| $20,328 billion |
| Gentu's co-orbital asteroids population consists of {{wp|quasi-satellite}}s, and {{wp|Trojan (celestial body)|XXX}}. There are at least five quasi-satellites, including [[XXX]]. A XXX asteroid companion, XXX, is {{wp|Libration|librating}} around the leading {{wp|Lagrangian point|Lagrange triangular point}}, L4, in Gentu's orbit around the Sun. The tiny near-Gentu asteroid XXX makes close approaches to the Gentu-Cynthia system roughly every forty years. During these approaches, it can orbit Gentu for brief periods of time.
| | | style="background:#E85252; color:black" | Constitutional monarchy |
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| 2021, there are 5,627 operational, human-made {{wp|satellite}}s orbiting Gentu. There are also inoperative satellites, including [[Xenophus 1]], the oldest satellite currently in orbit, and over 16,000 pieces of tracked {{wp|space debris}}. Gentu's largest artificial satellite is the [[International Space Station (Gentu)|International Space Station]].
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| == Life on Gentu == | |
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| [[File:Mycena interrupta.jpg|thumb|left|[[Fungus|Fungi]] are one of the kingdoms of life on Gentu.]]
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| A planet's life forms inhabit {{wp|ecosystem}}s, whose total forms the {{wp|biosphere}}. The biosphere is divided into a number of {{wp|biome}}s, inhabited by broadly similar plants and animals. On land, biomes are separated primarily by differences in latitude, {{wp|elevation|height above sea level}} and {{wp|humidity}}. Terrestrial {{wp|tundra|biomes}} lying within the Arctic or Antarctic Circles, at {{wp|Alpine tundra|high altitudes}} or in {{wp|desert|extremely arid areas}} are relatively barren of plant and animal life; {{wp|Latitudinal gradients in species diversity|species diversity}} reaches a peak in {{wp|tropical rainforest|humid lowlands at equatorial latitudes}}. Estimates of the {{wp|number of species}} on Gentu today vary; most species have not been {{wp|Species description|described}}. Over 99% of all {{wp|species}} that ever lived on Gentu are {{wp|extinct}}.
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| Extreme weather, such as {{wp|tropical cyclone}}s (including {{wp|hurricane}}s and {{wp|typhoon}}s), occurs over most of Gentu's surface and has a large impact on life in those areas. From 1980 to 2000, these events caused an average of 11,800 human deaths per year. Many places are subject to earthquakes, {{wp|landslide}}s, {{wp|tsunami}}s, volcanic eruptions, {{wp|tornado}}es, {{wp|blizzard}}s, floods, droughts, {{wp|wildfire}}s, and other calamities and disasters. Human impact is felt in many areas due to {{wp|pollution}} of the air and water, {{wp|acid rain}}, loss of vegetation, loss of wildlife, species {{wp|extinction}}, {{wp|soil degradation}}, {{wp|soil depletion}} and {{wp|erosion}}. Human activities release greenhouse gases into the atmosphere which cause {{wp|global warming}}. This is driving changes such as the [[Great Retreat]], and {{wp|Sea level rise|global rise in average sea levels}}, increased risk of drought and wildfires, and migration of species to colder areas.
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| == Geography ==
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| [[File:Continent map.png|thumb|{{{align|right}}}|{{{size|300px}}}<!--
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| -->| {{resize|105%|{{{heading|The eight continents of Gentu:}}}}}
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| {| style="width: 100%;"
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| |- style="vertical-align: top;" | |
| |{{unbulleted list | |
| |{{legend2|#000078|[[North Domica]]}}
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| |{{legend2|green|[[South Domica]]}}
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| |{{legend2|#0040ff|[[Flonesia]]}}
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| }}
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| |{{unbulleted list
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| |{{legend2|#c10000|[[Trimeshia]]}}
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| |{{legend2|#fed52e|[[Naphtora]]}}
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| |{{legend2|#41BFBF|[[Alabon]]}}
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| }}
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| |{{unbulleted list | |
| |{{legend2|#f33e01|[[Hesterath]]}}
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| |{{legend2|#c04080|[[Oranland]]}}
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| }}
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| {{navbar|style=float:right;|mini=true|World map indicating continents}}
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| |}
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| ]]
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| Gentu is made up of eight continents, [[North Domica|North]] and [[South Domica]], [[Flonesia]], [[Trimeshia]], [[Naphtora]], [[Alabon]], [[Hesterath]], and [[Oranland]]. The largest rainforest is the [[XXX rainforest]] in [[South Domica]]. The tallest mountain is [[Mount XXX]] at the border of [[Hesterath]] and [[Oranland]] with an elevation of 9,147.09 meters.
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| ''More to be Added''
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| === Countries ===
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| Below are listed the known countries that have formed in Gentu.
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| {| class="wikitable sortable"
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| ! style="line-height:95%; width:2em" class="unsortable" | Flag
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| ! style="line-height:95%; width:2em" class="unsortable" | CoA/Seal
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| ! Short and formal names
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| ! Capital
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| ! Population
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| ! style="width:25%;" |Government
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| |-}
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| |- | | |- |
| | [[File:Auralia_Flag.png|100px]] | | | [[File:Flag of the USRN.png|75px]] |
| | [[File:Auralia_COA.png|100px]] | | | [[USRN]] |
| | [[Auralia]] - Auralian Commonwealth | | | [[Kobusta]] |
| | [[Ironey]] | | | style="text-align:right;"| 122,738,092 |
| | 19,258,000 | | | style="text-align:right;"| 4,726,533 km<sup>2</sup> |
| | style="background:#FFD383; color:black"|Parliamentary elective monarchy | | | style="text-align:right;"| 26.0/km<sup>2</sup> |
| | | [[Naphtora]] |
| | | [[President of the USRN|President]] [[Ayana Kabade]] |
| | | [[Premier of the USRN|Premier]] [[Olama Kastora]] |
| | | style="text-align:right;"| $12,299 billion |
| | | style="background:#FF2400; color:black" | Socialist republic |
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| | style="background:#FFD383; color:black"|TBA
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| |} | | |} |
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| {{Template:GentuInfo}}
| | [[Category:Gentu II]] |
| [[Category:Regions]] | | [[Category:Regions]] |
| [[Category:Gentu]]
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