Nocturne (Cosmoria)

Nocturne is a large black hole located on the border between Aylathiya and Florathel. Its four companion stars and one dozen frigid planets have long been disunited. Nations from across Cosmoria have laid claim to Nocturne's untamed system. When Sagittarium briefly united the endless realms around Nocturne, it was a terrifying empire unmatched by any other. As Sagittarium fell, its client worlds have slowly been taken from it. Currently, there are five major nations that reside under Nocturne's gaze. The immense megastructure of Aubade tirelessly harvests energy from the system's center.

Below is a list of worlds that orbit Nocturne.

Stars

Dorok (Elegy)

Type - Red Dwarf (M9V)

Native Species - None

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Dorok, known to the Un'oit as Elegy, is an ultra-cool red dwarf that numbers amongst the smallest stars in Cosmoria. It distantly orbits the black hole of Nocturne and hosts the planet Garrea, capital of the furthest member of the United Nations of Florathel. After the final destruction of Pecay-Po in 80,424, the few remaining Elkeres fled the Rhapsody sphere and any surviving habitats at Valme, only to be pushed away by almost every other civilization. Their only choice was Dorok, found at the edge of the borders of Florenta. The Elkeres made their home into a new Florentan province before gaining independence and then being taken by Sagittarium. Today, Mandras has finally gained independence for good as an associate state of Sagittarium and has taken great pains to lift its population out of their cripplingly poor quality of life. As it is also a high-ranking member of the UNF, Mandras is punching well above its weight and rapidly becoming among the most influential states in its region.

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Planets - Garrea, Alnihaya, Harun

Finale

Type - Yellow Dwarf

Native Species - None

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Finale is a medium-sized star orbiting the black hole of Nocturne. Its most distant and most massive satellite, Finale has always been the most independent of the systems under the control of Sagittarium. Despite being so remote, the star has only retained its three closest planets, a series of terrestrial worlds whose population represents over an eighth of all of Sagittarium's people. Despite the relatively small populous, Finale hosts more of Sagittarium's industry than all other stars save for Nocturne itself. The system hosts a large Ekrosian and Vlanoan population who make up the self-ruling republic known as Rendell. Other nations in the system are protectorates of Sagittarium, colonies, or the personal property of nobles who often act with little oversight. Economically-productive regions are ruled directly from Thalia.

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Planets - Patyrth, Vistique, Sarpanitum

Oratorio

Type - Protostar

Native Species - Un'oit

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Oratorio is the youngest star in Aylathiya, having only just begun fusion thirty thousand years before the present day. Even so, it has retained the protoplanetary disk that itself is only 500,000 years old. Extensive tampering by Ma'eau, including the strategic placement of shepherd planets, prevents the disk from collapsing into new planets. Since protoplanetary disks are quite dense, it has allowed for Ma'eau to introduce a diverse spaceborne ecosystem. Oratorio's worlds universally have low gravity, giving the Un'oit easy access to their neighboring worlds. Since they were able to tame much of the spaceborne life in the disk, they resided within a low-tech space-faring civilization that persists in some areas to this day. Overture is one of Nocturne's four stellar companions.

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Planets - Partita, Capriccio, Sinfonia

Requiem

Type - Red Dwarf

Native Species - None

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Requiem is a small star orbiting the massive black hole Nocturne. It is dominated by a large spinning ring-like structure that is made up of the planets it once hosted. While Sagittarium finished the structure, it was built over tens of thousands of years by previous civilizations. It is often compared to Eos, a star system with a fairly similar configuration.

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Planets - None

Megastructures - Sydiah's Ring

Planets

Adagio Type - Ice World Native Species - None

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Adagio is a small icy world whose surface has adopted a characteristic deep red color due to ferrous impurities. The frozen remains of billions of creatures jut out of the ice. Intelligent species from every era can be found on the world. No artificial structures or materials have been found in the ice, including the equipment needed to reach this remote world. Numerous expeditions to Adagio have revealed that the corpses stretch deep into the planet's mantle. The deeper the fossils, the more marred they are, suggesting that Ma'eau is the cause of Adagio's strange properties. Due to the high levels of phosphorous concentrated on Adagio, in addition to readily-available nitrogen compounds, a number of mining operations call the rogue planet home. Adagio has one moon, Divertimento. The moon is a typical airless world of a little more than a fourth of Adagio's mass. The moon hosts thousands of red-tinted geoglyphs all pointing towards Adagio. To date, over six thousand spacesuit-clad Carlean bodies have been discovered near the glyphs. It is unclear how the Carleans ventured to the planet, however, unusual igneous formations suggest the use of Thaumaturgy. The glyphs, while crude, are usually depictions of Carlean faces with pained expressions, some of which have been scribbled out. Drawings of what seem to be clouds interlaced with gears make up a substantial minority. It is unclear why there is no text anywhere on the planet. There are no settlements currently on Divertimento, but a handful of relatively recent abandoned military bases dot its surface.

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Moons - Divertimento

Berceuse Type - Terrestrial Planet Native Species - None

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Berceuse is a barren world whose only atmosphere is a cloak of radon gas produced in large quantities by the planet's remarkably radioactive mantle. There are bacteria that thrive in the core that create large tree-like structures which take advantage of the mantle's heat. Since the planet is home to a great deal of radioactive material, it was highly sought after for much of history before cheap fusion reactors became common. Since only the largest of craft can bare the load of a fusion reactor, however, the planet's strange supply of elements is a major source of income for the planet's mostly Un'oit inhabitants.

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Moons - None

Courante Type - Terrestrial Planet Native Species - None

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Courante is, on average, the most distant of Nocturne's satellites. Its sister worlds are hardly visible in the perpetual night sky. Courante's north pole points toward Nocturne's four stellar companions. These four stars dance in the northern hemisphere while the southern hemisphere points towards Aylathiya's orange clouds. Due to its cool temperatures, Courante is home to heat-sensitive industry, in particular computing. The planet's millennia-spanning freeze-thaw cycles has encased ancient settlements in neon ice. Courante has the highest concentration of noble gases in Cosmoria, including a light but dense atmosphere of nearly-liquified helium. It is difficult to move about on Courante because of this.

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Moons - Allemande

Etude Type - Ice Giant Native Species - None

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Etude is a rogue Ice Giant that possesses a faint ring system and seven moons of varying composition. It has the highest Un'oit population outside of their home system of Oratorio. Despite its somewhat isolated position, three of its moons have populations in the tens of billions thanks to large subsurface oceans created due to tidal heating. This heating is a relatively recent phenomenon and, thus, the system has no native life to speak of.

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Moons - Canon, Waltz, Rondo, Sonatina, Intermezzo, Fantasia, Serenade

Fugue Type - Ice Shell Native Species - None

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Moons - Concerto

Introit Type - Helium Ocean Native Species - None

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Moons - Minuet, Operetta

Jezreel Type - Terrestrial World Native Species - None

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Jezreel (Un'oit: Rhapsody) is a marine world that was once the core of a somewhat large gas giant. Being so close to Nocturne, its atmosphere was slowly ripped away. What remained was a metal-rich and dense world. For most of history, technology was not advanced enough to leave its surface, meaning that venturing to this world was incredibly dangerous. The Vaplein Republic invested into terraforming the world as they exported teratons of its material.

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Moons - None

Overture Type - Terrestrial World Native Species - None

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Moons - Ballade

Sonata Type - Ammonia World Native Species - None

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Moons - Sarabande, Lied

Thalia Type - Marine World Native Species - None

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Thalia (Un'oit: Aria) is a marine world whose surface is over three fourths water. The capital and most populous world of Sagittarium, Thalia hosts about as many people as the rest of Nocturne. For the past 10,000 years, clear images of its surface have been impossible. A cloak of space habitats, a dense network of orbital rings, and the heat from immense radiators make proper imaging difficult. Thalia is known for its hazy appearance despite having very clear conditions on the surface. Thalia is a center of Human colonization of Nocturne. While many of its asteroid moons have long since been destroyed, its ring system has remained in place.

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Moons - Tagelied, Reverie, Descort

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Dance, O Freest Aeon

This content is a part of Cosmoria.

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Index / Lexica / Timeline

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