The Core Systems are a collection of star systems and exoplanets centered around the Milky Way's galactic core. These systems reside in areas within 10,000 to 15,000 light years of the super-massive black hole Sag A*. Core Systems are less likely to have habitable planets, due to the violent conditions of the region. However, several E-Class planets, such as Ilask, have been discovered in the Core Systems.

Structure and Zones Edit

The Core Systems stretch a total diameter of an average 25,000 light years, or about one-fifth the Milky Way's diameter. This region is much more populated than other areas of the galaxy. Within 1,000 light years of Sag A*, the area is so chaotic and crowded that colonization is impossible or, at the very least, fatal. This area, called the Cypher Swarm, consists mainly of unstable blue supergiants, blue main-sequence stars, and red giants/supergiants. Many of the stars in the Cypher Swarm have wildly inclined and eccentric orbits.

Outside the Cypher Swarm, over 90% of the stars here have stable orbits. The galactic disk is half as thin as it was in the Swarm. From here (2,000 light years) to the edge of the Core Systems is the Core Goldilocks Zone. While not perfect for life, there are less chaotic orbits and more G, K, and M class main-sequence stars.

Most of the Core Systems form a galactic bulge up to 5,000 light years high. It is much thinner (500-1,000 light years high) inside the Core Goldilocks Zone.

Conditions and Habitability Edit

The Core Systems are not a safe place for complex life to develop. Over 50% of the stars here are O-Type giants, which emit catastrophic amounts of radiation. A single O-Type giant can steralize a region up to 100 light years wide. The huge amounts of O-Giants in this densely populated area can render nearly all of this region uninhabitable. They also have very short lifespans, so supernovae are quite frequent here. These conditions are mostly found in the Cypher Swarm, which is over 75% O-Giants.

Red giants are also common in the Core Systems. These stars can grow up to 150 million miles wide and often eat up their own planets. Many form binary, trinary, or even quadruple systems. These systems are unstable, and in some cases, entire stars have been flung out. Runaway stars are a serious problem for planets developing life; because this area is so compact, it is more likely that a star will fly into the planet's system.

Most of the Core Systems is hostile to life, especially close in. The black hole Sag A* also poses a threat here, as it spews out gamma rays and Hawking Radiation. This is detrimental to life. However, some E-Class planets have been found here, and Sag A* only releases this radiation after eating matter. This is, surprisingly, rather uncommon in our galaxy.

Core Systems In Other Galaxies Edit

Core Systems vary in size and structure depending on galaxies. In spiral or barred spiral galaxies, like Andromeda and the Milky Way, the Core Systems take up 1/4 to 1/5 the galactic diameter. In lenticular galaxies, the Core Systems are rather small, and just consist of the galactic bulge. 95% of Lenticular Core Systems have conditions similar or identical to those of Cypher Swarms.

Elliptical and Irregular galaxies barely have Core Systems. These galaxies have very little differences between inner areas and outer areas. In Elliptical galaxies, Core Systems occur in very tight areas near their super-massive black holes. Irregular Core Systems have to be 50% more crowded than other areas of that galaxy, and they have to be within 1,000-5,000 light years of the galactic core. If they don't follow these rules, then they are not Core Systems.

Major Planets In The Core Systems Edit

E-Class Planets:

  • Ilask
  • Nioak
  • Gioka

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