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The Yggdrasil Nebula is a very large emission nebula within the Via Sagittaria Galaxy. The nebula contains many massive star-clusters as well as several Wolf-Rayet stars. The nebula is one of the largest nebulae in Via Sagittaria.

The Yggdrasil Nebula is the center of Vanaheimr, a nation founded by a human minority group in 20387. Vanaheimr quickly came to control the majority of the Nebula by 20591 and very shortly after expanded to the regions surrounding it. The treaty creating the Confederacy of Borealis was first drafted in the nebula before negotiations were moved to another location. Other major events include the creation of the Tenth Galactic Congress, what became the governing body over the Confederacy, as well as the restoration of democracy in the Via Sagittaria after the Split of the Yohjan Confederacy.

The nebula is home to one of the most luminous stars in the Via Sagittaria, Sygin, a binary between a luminous blue variable and an evolved O type star. This star is currently used as a source for a large amount of the energy used in the Nebula at over 50% of it's energy. The star shines with 5 million solar luminosities, and it is also extremely bright visually with an absolute magnitude of ~-10. A civilization using all of this energy would be a kardashev 2.7 civilization by itself. Vanaheimr is currently in the process of tapping into the entirety of this energy, but it progress has been slow.

The nebula also has a few smaller nebulae within itself such as the Homunculus Nebula, Keybole Nebula and the Mystic Mountain.

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History

The Yggdrasil Nebula has been speculated to be where the homeworld of the First Civilization was located due to their artifacts being more numerous in the nebula than elsewhere. The exact location is unknown, but was most likely the planet Frigg-AHG, a planet that does not have a name besides it's designation. Frigg-AHG is located four light-years from Jörmungandr, the capital of Vanaheimr.

The Yggdrasil Nebula, or to be more precise, the Eta Carinae Nebula, was first visited by humans in the year 12674. The Eta Carina Mission took many readings while they were in orbit of the star. The mission also used the newly built orbiting space station’s powerful telescope to observe some of the nearby star systems. The humans bought half of the nebula at an auction in 12708 CE. The half containing Eta Carina was kept by the Yohjan Government due to it's potential value in the future.

In the year 13034, explorers from both the Vanir and Aesir sects began exploring the Yggdrasil Nebula. Within a couple decades the Vanir and Aesir had established colony worlds within the nebula. They renamed it "Yggdrail" after the world-tree in their cosmology. The nebula contained their whole society just as the world tree held all of existence. From these worlds, minor colony worlds were established from there over the next few millennia. Colonization was fairly slow due to the general lack of funding that plagued the colonists for for the first part of their history.

In 20344, the nation of Vanaheimr was founded in the nebula. The nation had the goal of implementing it's economic system, Market Socialism, across the entirety of the nebula. The main obstacle to this ideal was the Aesir Sect. They supported a government-centered system for the redistribution of wealth. The both sides wanted to do away with capitalism, but had entirely different ideas of how to do this. The two sides tried to cooperate, but relations quickly broke down and war was declared. Both states started fighting in 20349 in what would be known as the Vanir-Aesir War. Vanaheimr eventually came out on top and implemented their system nebula-wide. They relocated willing Aesir to outside of the nebula and allowed them to do as they pleased with their own economy.

The Nebula would later become the center of democracy in the Via Sagittaria. The Split of the Yohjan Confederacy left the galaxy in an authoritarian state. With true democracy as a rare sight. Vanaheimr began spreading it's system to elsewhere in the galaxy. They formed the Tenth Galactic Congress with the express purpose of spreading democracy. Leading this congress was Frejya Zhang whose ambition and knack for diplomacy allowed for many worlds to come under the umbrella of the Tenth Galactic Congress. This congress would later go on to become the official legislative body in the Confederacy of Borealis.

In more recent times, the nebula has remained as the center of democracy in the Confederacy. It acts as the electoral capital of the Confederacy of Borealis. The difficultly in coordinating elections on a galactic scale requires so much planning that an entire planet was set aside for just that. The Yggdrasil Nebula was the natural choice for the electoral capital being the cradle of modern democracy as it was.