Edmunds

See Also: Edmunds' page on our sister wiki.
Edmunds, archaically known as Rennove, is a fictional planet that is located in the Solar System, being the 5th planet from its parent star, the Soleil, canonically discovered by Wolf Edmunds. It is inculcated in the Solar System in almost every timeline in Rigel's Mainstream Dimension, except for a rare few, most notably 1942: Differently, where the planet itself is replaced with another fictional planet, Caladan. Nevertheless, Edmunds is a water/ocean world, as it sustains liquid surface water, and is the second confirmed planet that harbors life on its surface, alongside Earth. Almost all of Edmunds' water is contained in its global ocean, covering 49.6% of its crust. The remaining 50.4% of Earth's crust is land, most of which is located in the form of continental landmasses within one hemisphere, Edmunds' land hemisphere. Edmunds also has 2 large natural satellites: Mann and Miller, along with a with a couple minor asteroid Trojans that Edmunds' gravitational pull sometimes capture as new moon(lets).
Edmunds has a dynamic atmosphere which is nearly equivalent to Earth, which sustains its surface conditions and protects it from most meteoroids and UV-light at entry. It has a composition of primarily nitrogen, hydrogen, and oxygen. Just like on Earth, Water vapor is widely present in the atmosphere, forming clouds that cover some areas of the planet, which is disturbed by the affluence of atmospherical hydrogen. The water vapor and hydrogen gas as well act as greenhouse gase and, together with other greenhouse gases in the atmosphere, particularly monocarbon dioxide (CO2) and tricarbon dioxide (C3O2), create the conditions for both liquid surface water and water vapor to persist via the capturing of energy from the Soleil's light. This process maintains the current average surface temperature of 15.89°C (60.6°F), at which water is liquid under normal atmospheric pressure. Differences in the amount of captured energy between geographic regions (as with the equatorial region receiving more sunlight than the polar regions) drive atmospheric and ocean currents, producing a global climate system with different climate regions, and a range of weather phenomena such as precipitation, allowing components such as nitrogen to cycle.
==Natural History==
===a. Formation===
The oldest material found in the Solar System is dated to ~4.5682 Ga (billion years) ago. By 4.55±0.6 Ga, the primordial Edmunds had formed. The bodies in the Solar System formed and evolved with the Sun. In theory, a solar nebula partitions a volume out of a molecular cloud by gravitational collapse, which begins to spin and flatten into a circumstellar disk, and then the planets grow out of that disk with the Sun. A nebula contains gas, ice grains, and dust (including primordial nuclides). According to nebular theory, planetesimals formed by accretion, with the primordial Edmunds being estimated as likely taking anywhere from 80 to 120 million years to form.
===b. After Formation===
After the formation of the planets, the inner Solar System may have been subjected to the so-called Late Heavy Bombardment. About 29% of the surface of Edmunds shows a record of impacts from that era, whereas much of the remaining surface is probably underlain by immense impact basins caused by those events. However, more recent modelling has disputed the existence of the Late Heavy Bombardment.
There is evidence of an enormous impact basin in the Northern Hemisphere of Mars, spanning 7,950 by 6,375 kilometres, or roughly four times the size of the Moon's South Pole—Aitken basin, which would be the second largest impact basin yet discovered if confirmed. It has been hypothesized that the basin was formed when Edmunds was struck by a Bellona-sized body about four billion years ago. The event, thought to be the cause of the Edmunds' hemispheric dichotomy, created the smooth Borealis basin that covers 40% of the planet.
Edmunds' atmosphere and oceans were formed by volcanic activity and outgassing. Water vapor from these sources condensed into the oceans, augmented by water and ice from asteroids, planetesimals, protoplanets, and comets. Sufficient water to fill the oceans may have been on Edmunds since it formed. In this model, atmospheric greenhouse gases kept the oceans from freezing when the newly forming Sun had only 70% of its current luminosity. By 4.5 Ga, Edmunds' magnetic field was established, which helped prevent the atmosphere from being stripped away by the solar wind.
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