Archas System

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The Archas System is a major system in the Spider Nebula in the Lareas Galaxy. It is the capital and most populous system of the Republic of the Spider Nebula. The Archas System is composed of a brown dwarf star, Archas. The system is most notable for its only habitable planet, Angertharke, which is the capital planet of the Republic of the Spider Nebula and the homeworld of the Ornali species. This world outshines all others in the system, and many outside the system do not even know about the other planets. Currently, there are four planetary bodies in the Archas System, all of which orbit within 2 AU of Archas itself.

Architecture

The architecture of the Archas System is relatively simple, with all planets following circular orbits around their star, and the vast majority of them existing in orbital resonance with each other. The system contains four planetary bodies, Marnaltharke, Angertharke, Dalair, and Archer. Beyond these stars is a thick belt of debris known as the Sellin Belt, composed mainly of ice. Beyond the Sellin Belt exists a sparse cloud of material referred to as the Limit Cloud, which extends almost a quarter of a light-year away from the center of the system. The system is filled to the brim with various debris and stations, some of which comes from the destruction of Marnaltharke in the Great Lareas War.

History

The Archas System was formed in the outskirts of the Spider Nebula, and began its life as an M-type brown dwarf, indistinguishable from a similar-temperature star. However, it gradually cooled down, and life began to take hold on Angertharke.

Over the intervening 6 billion years, life slowly evolved as the star cooled down. Roughly 100,000 years ago, the Ornali evolved on Angertharke, when the planet's average temperature had dropped to 7º celsius. However, they noticed the environmental catastrophe, and set up massive mirrors to warm up the planet and increase biodiversity.

Relatively recently, the Ornali have expanded beyond their small world and have colonized the majority of the Spider Nebula and surrounds.

Planets

Marnaltharke - Fear Factor

Brief Description

Marnaltharke was the first planet in the Archas System. Before terraforming, it was a small selena world, with the day side covered in vast deep crater fields and the night side covered in a thick crust of ice. However, after terraforming, the atmosphere thickened at an alarming pace, reaching over two hundred atmospheric pressures. The planet was later inhabited by cities floating in the clouds, but the planet was destroyed by the Kormin Empire when they constructed a Nicoll-Dyson beam surrounding the wolf-rayet star Alnert A, in tandem with a similarly brutal assault on the Narenna Dyson Swarm. This is widely considered to be the beginning of the Great Lareas War, which has since killed trillions all across the galaxy.