This article belongs to the lore of Aurorum.

Aurorum (region)

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Aurorum
Designations
Earth
(the) World
Orbital characteristics
Eccentricity0.026
365.593 days
27.3 km/s
Satellite ofLuna
Physical characteristics
Mean radius
4,891.1 km
296,012,380 km2
Mean density
7.280 g/cm3
9.694 m/s2
10.706 km/s
0.9972 d (23h 49m 6.3s)
24.04°
Atmosphere
Surface pressure
100.2834 kPa

Aurorum, commonly known as Earth or the world, is a terrestrial planet orbiting the Sun. It is the fifth-largest and fifth-most-massive object in the Solar System, as well as the only currently known celestial object in the Solar System and the known universe to harbor and sustain life. Additionally, it is the largest and densest of the Solar System's rocky planets. Aurorum constitutes a binary planetary system together with its only natural satellite, the Moon or Luna, that makes up 40% of the binary system's total mass and interacts with the respective other gravitationally.

Aurorum is unique in that its surface consists partly of liquid water, both as salt-water and freshwater, making up the hydrosphere, and an active planetary geology with mechanically rigid tectonic plates constituting the lithosphere above a planetary interior of a solid inner core, fluid outer core and convecting mantle layer, active geothermal activity which produce volcanic activity, earthquakes and a stable geomagnetic field. This allows the planet to have developed a rich atmosphere consisting mainly of nitrogen, oxygen and other gasses, which in turn results in the constitution of the water cycle, greenhouse effect and weather existing as a dynamic system on Aurorum.

Various factors such as the aforementioned and particularly Aurorum's distance from the Sun allowed for the planet to proliferate anaerobic and later aerobic life some 4.1 billion years ago. Since, life has evolved and thrived over long periods of Aurorum's history, spawning a plethora of biodiversity and occassionally punctuated by mass extinction events. Today, the modern human (homo sapiens) inhabits Aurorum and has increasingly altered its climate and atmosphere, biosphere and surface in what is dubbed the "anthropocene".

Etymology

Physical characteristics

Oceans and continents

Map showing the oceans and continents of Aurorum

Most of Aurorum's surface is subdivided into oceans, which constitute the majority of its hydrosphere, and continents, which are the planet's largest landmasses. By convention, the four oceans consist of the Iremic, Agric, Notosian, and Caphtoric, while the five regions considered as continents consist of Pamira, Berea, Caphtora, Melasia and Mavronesia, and Alvinia. By geologic perception, Aurorum's continents roughly correspond to the surface presence of continental crust, though continental crustal fragments such as various islands and continental crust submerged by the ocean are not commonly referred to as distinct continents.

Orbit and rotation

Human geography

Name Capital Population Continent Head of state Head of government Government type
Abramea Jerach 38,275,816 (2020) Pamira Shimon ben-Yaakov Levana bat-Meshulam One-party state
 Chelagey Chelagey Digalua 4,271,073 (2016) Alvinia Actuq Tsultloya Camilla Saquha Presidential republic
 Cuthland-Waldrich Cuthland Kingsham (executive and administrative)
Cuthland Grienfjild (legislative and judicial)
44,794,500 (2020) Berea Edwin IV Clifford Goodwin (protecting)
Ale Dykstra
Absolute monarchy
 Dulebia Dulebia Ulich 29,894,117 (2017) Berea Alexey Volodin Vladimir Klishas Presidential republic
 Mascylla Königsreh 48,972,336 (2018) Berea Dorothea I Thomas Falkner Federal parliamentary constitutional monarchy
 Norden Kristianshavn 24,621,037 (2020) Berea Karl III Magnus Kjærsgaard Unitary parliamentary constitutional monarchy
 Rovina Mirkowice 18,042,854 (2018) Berea Stanisława I Karol Kowalczyk Unitary parliamentary constitutional monarchy

Satellites