Cavea stations

Stationed at the extremities of the Degel System, seven far-off stars shine amongst the depths of the black void.
Thus, there are only eight stars to be seen in the skies above Errack. These eight stars, to the denizens of the Degel system are; the one located at the centre of their planetary sytem - Degel and the seven minor stars, Aquilo (North), Auster (South), Calor (heat), Frigus (cool), Caelum (air), Durus (hard) and Unda (water). The North and South stars, Aquilo and Auster are significantly brighter than the other five and have a distinctive coloured flicker at their fringes.

Bursts of ether

Cassiopeia A (Cas A) by NASA

From time to time, bright flashes of multi-coloured light can be seen between the stars. This light is brightest at it's centre and burts outwards in spectacular fashion, forming cloudy rings and tracks of straight flying debris.
Some of these flashes have been said to look like ethereal eyes, fiery explosions of vibrant dust and the underside of strange mushroomcaps.
Though hard to see in populated areas, these burst of colour are sometimes visible from the surface of errack with a rudimentary telescope in isolated, remote areas. As dangerous as these remote locations can be, it's not unheard of for daring young-adults to take the risk to witness such a beautiful display.

Discovery of a star

Before the fall of the Intico Control Facility, a research satelite was fired into the inky-depths of space to scour the system for potential resource deposits. After years of flight through the sparse expanse, the first ever images of the then thought to be stars began to be received. Initially, all was to be expected, the grainy, low-fidelity images showed what appeared to be a far-off star nestled in the void. Months later, another set of images arrived, it was at this time that the researchers felt that something was off. Though, they still could not yet tell what it was they were looking at - perhaps the lense was damaged? Do stars come in different shapes?...
Finally, the clearest, though still low-fidelity, images arrived. Clearly showing the five, giant petal-like extremeties and a dark core. Only, something was wrong with these final images too. The extremeties... they've moved, ever so slightly, but moved nontheless.
Shortly after the final images came through, the satelite went offline and a signal from it was never received again.

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It is with great sorrow that I must inform the world, of something that carries a great burden upon hearing. However, this is one of few moments in history where ignorance is no longer bliss. Our reality has changed. For centuries we thought we understood our place in the universe, our home and it's borders.
Today, you will learn that we do not, infact, understand anything at all [...]

—

A prison made of stars

Once an unknown factor to the denizens of Errack and the Degel System, seven of the eights stars in the sky that they were all so familiar with, are giant space stations. Stations that project an inky-black almost opaque curtain around the Degel system. Stations designed to keep anything and everything within from leaving. Nothing comes in, nothing goes out.
These stations are positioned such that if you where to draw a straight line from each station to the next, connecting them to eachother, you would draw a pentagonal dipyramid. A super-structure of seven parts, seven stations for seven Zeniths - the wardens of this prison.

Design

Each cavea station is formed around a large central ring gate. This ring gate then has five massive arms reaching outwards in different directions, the five arms thus forming a star pentagon.
The biomimicry of these giant stations emulate blooming flowers with five petals - something that is not an uncommon sight on Errack...

CAVEA station mock-up by Generated with DALL·E 2 and photobashed by Fall

Avg. Distance from Degel

~50AU

Diameter

8,400km (~5219.5miles)

Type

Orbital, Station