By best estimates, what humans call the Milky Way Galaxy contains approximately six billion worlds roughly similar in diameter and density as their homeworld, with approximately one-third of these mapped by direct survey or indirect observation via flyby automation or gravitic lensing. Of those six billion worlds, at least half are inappropriate for any life utilizing carbon-based biochemistry, being either sulfuric acid-misted hothouses or methane ice-wrapped wanderers in interstellar space. Others may have been paradise gardens before the planet’s plate tectonics ended and its water cycle crashed, and others thrived before their stars expanded into red giants, they fell into gas giant companions in erratic orbits, they had the misfortune to be far too close to a neighboring supernova, or passing black holes shredded their entire systems. This still leaves approximately two billion worlds in one thoroughly average spiral galaxy, and about a billion worlds in its two main satellite galaxies, that currently have or recently had the capacity to support carbon-based life (with many expanding into silicon-based life, either biological or synthetic). One-thousandth of those had a long enough lifespan or proper conditions to encourage intelligent life, and a thousandth of that managed to get sentient life with the capability, ability, or motivation to leave their birth systems. Even with these numbers, considering the age of this galaxy, this led to a lot of mysteries, anomalies, curiosities, and annoyances from intelligences that otherwise left no trace.
Compounding those annoyances are the ones left by an obviously highly advanced civilization that wasn’t native to the planet on which they were found. The planet Agosto on the outer rim of the galaxy was nobody’s idea of a vacation world: about half of its global sea was covered with a thick algal mat that offered a platform for various filter-feeding animals and plants and choked out just about everything else, and the sole continent was gradually colonized by a unique group of plant-animal mashups attempting to get out of the ocean before the algal mat choked out everything. Worse, the algae fed on high levels of sulfur compounds in the ocean, thanks to extensive undersea volcanism, and excreted hydrogen sulfide as a waste product instead of oxygen as on most other known worlds, making visiting Agosto a dangerous proposition even in pressure suits and habitation domes. The fact that Agosto is visited constantly, by a significant number of the spacefaring races of the galaxy, is due to one confounding artifact found on a southern peninsula.
By first appearances, the apparatus appears ridiculously primitive: a single flat face with a clock-like dial and a series of pointers, surrounded by four chambers packed with what appear to be metal gears. Appearances in this case are nearly dangerously deceiving. The whole of the apparatus is no more than about 30 meters thick, with no sign of internal structure other than what appears on the outside, The dial rotates randomly back and forth, and the pointers highlighting individual segments on the dial’s face, both with no schedule or pattern that has been ascertained from at least a century’s study. Likewise, the gears within the chambers seem to show no inherent purpose: some rotate constantly, while others have not moved since the apparatus’s discovery. Even the two guardian sculptures in front of the apparatus are deceiving: what superficially appears to be jade or serpentine is actually an artificially strengthened nanomaterial that constantly heals damage from sun and atmosphere, and they emit beams of high-speed particles at seemingly random intervals, spreading out through deep space. Several of those beams were picked up simultaneously by at least three species, and their duly appointed representatives oversee all operations on Agosto, including who can arrive and who can leave.
While the apparatus appears simple and shallow, researchers have discovered that it is the anchor for literally billions of either eddies in hyperspace or pocket universes, depending upon the researcher desperately trying to make sense of the phenomenon with completely inadequate tools and theories. At random times, the face will reach a particular configuration, some gears will spin, others will stop, and a container materializes at the apparatus’s base. Equally randomly, that container will allow some to open it and refuse others, but all supplicants succeeding at opening it have to deposit an item within. If the item is accepted, it disappears, only to be replaced with something else. Often, the container takes random junk and trades for absolute marvels, but just as often, it takes valuables and offers junk. Or, at least, that is what it appears to be at first: many items appear to have been caught in stasis for millions or sometimes billions of years, but occasionally something comes through that gives every indication that it came from the far future. Sometimes, very rarely, the item offered is living, and once, it was sentient. The assemblage of weapons surrounding the apparatus, constantly operated by trained operators from across the galaxy, hints as to how much firepower was necessary to stop it once it was free, and the determination to make sure that any brethren still catalogued within the apparatus remain there.
Dimensions (width/height/depth): 18″ x 24″ x 18″ (45.72 cm x 60.96 cm x 45.72 cm)
Construction: Glass enclosure. polystyrene foam, vacuum-formed plastic, found items.