Systems & Worlds A - B
  • 'Å' (world)  - Text by Steve Bowers
    Cerean class dwarf planet 269 ly from Sol.
  • Aardwolf  - Text by Steve Bowers
    Gliese 876, a system colonized early in history by Diamond Belt isolationists; location of the famous Aardwolf Storms.
  • Abbas  - Text by Steve Bowers
    A lifeless supergaian terraformed and inhabited by clades tolerant of high gravity.
  • Abraxas  - Text by M. Alan Kazlev
    Autonomous Sophic League habitats in hinteregion MPA space.
  • Abruzzen  - Text by Anders Sandberg
    Solar Dominion world notable for being the lowest world of the Dominion relative to the galactic plane when in 3644 the famous explorer Killavan Yu-Tang set off from here on a long-range survey of the galactic disc.
  • Abydos (Cor Caroli)  - Text by Anders Sandberg
    The highly magnetic A-Class star Abydos is a useful source of magnetic energy.
  • Adorate  - Text by M. Alan Kazlev and Anders Sandberg
    Sophic enclave in the Perseus Arm, fallen to the Amalgamation in 8761.
  • Ahreemi Meetpoint  - Text by Todd Drashner
    Asymptote civilization aligned loosely toward the NoCoZo.
  • Ain Soph Aur  - Text by Todd Drashner
    One of the most advanced and heavily developed systems in the Inner Sphere.
  • Akasha - Text by M. Alan Kazlev
    Important system in the Pleiades volume, founded by Nuage tweaks.
  • Alauda  - Text by M. Alan Kazlev
    Minor NoCoZo world with wormhole links to Vast Endeavour and Frei.
  • Albireo  - Text by M. Alan Kazlev
    (Beta Cygni) Double star in the Cygnus Inner Quadrant, developed by a number of superbright and po clades.
  • Alcor and Mizar  - Text by Steve Bowers
    These two star systems in the Plough are an important point of contact between the Solar Dominion and the Solipsist Panvirtuality.
  • Aldebaran  - Text by M. Alan Kazlev
    A giant, old, orange star about 40 times the diameter of Sol. Colonized and industrialized in the middle Federation period, this ancient resource-rich Inner Sphere system had a varied history. Currently notable as an important nexus on the Wormhole Network.
  • Aleph Absolute  - Text by M. Alan Kazlev
    Collinder 359: Young open cluster in the Keter Dominion, site of the largest archailect concentration in known space.
  • Alexandria (Tichy 44-III)  - Text by Anders Sandberg
    Middle Regions world known for its vast libraries and archives, and the unusual co-operative Alexandrian ecosystem. Part of the Negentropy Alliance.
  • Alfirk Panvirtuality Swarm  - Text by Steve Bowers
    Solipsist Panvirtuality swarm with some degree of contact with the Sephirotic Empire worlds nearby.
  • Algol (Beta Persei)  - Text by M. Alan Kazlev and Steve Bowers
    Binary star in the constellation Perseus: part of the NoCoZo and headquarters of the Algol Broadcasting Foundation.
  • Alnitak (Zeta Orionis)  - Text by Steve Bowers
    Class O Supergiant (spectral Type O9.7Ib) in the Orion Federation, emitting prodigious amounts of energy. Seen from Sol System this star is at the eastern end of the Orion's belt. Alnitak is the site of extensive antimatter production and also a long term starlifting project. Site of an unfortunate transcension accident involving the archai Herne. (See also the Xyloplax Incident.)
  • Alpha Centauri A+B  - Text by Steve Bowers and John M. Dollan
    Colonised by Von Neumann Machines (neumanns) in the late Interplanetary Era; these self-replicating machines were designed to be self-evolving and independent, and rejected any further human contact once they arrived. This led to the loss of the resource-rich Alpha Centauri system.
  • Alpha Jupkai  - Text by Aaron Hamilton
    The former homeworld of the extinct Iahi Daon species
  • Alpha Star  - Text by Thorbørn Steen
    A polity in the Seams. Before the Version War, a prosperous system called Harkington's Star.
  • Altair  - Text by M. Alan Kazlev
    Fast-rotating A7V star, originally part of the Diamond Belt, in the constellation Aquila (the eagle), 16. 5 light years from Sol. The name Altair means "flying eagle" in Old Earth Arabic.
  • Amalthea  - Text by Steve Bowers
    Inner moon of Jupiter (Sol V).
  • Amaterasu  - Text by M. Alan Kazlev
    Originally a Conver Ambi outpost world annexed by the Solar Dominion during the Second Empires War, captured by Metasoft relativist fleets during the Version War, returned to the Dominion after the War.
  • Amboseli  - Text by Steve Bowers
    Provolved Ungulate colony
  • Amida System, the  - Text by Radtech497
    Star system formed in the Omega Centauri dwarf galaxy.
  • Anahita  - Text by M. Alan Kazlev
    BD +47°1419 Inner Sphere system; Anahita was originally colonized by Dionysians during the expansion of the Erotocracy. After its dissolution it became part of the Conver Ambi, but retained extensive contacts with other Inner Sphere worlds.
  • Ananda (world)  - Text by Anders Sandberg
    Gas giant in the Eden system.
  • Anaximander (system)  - Text by Quantum Jack
    System containing the Kammerer xenosophont biome
  • Anomie  - Text by Steve Bowers
    Formerly Tadmor - Cyberian agitcenter, hit by Babel Plague variant.
  • Ao Lai  - Text by Stephen Inniss
    Ao Lai (Gamma Leporis A and B) contains two Klemperer rosettes of artificial planets, and hosts a rich complex of civilisations under the umbrella of the Institute for Primate Provolution.
  • Apogee Maximal  - Text by Todd Drashner
    Brown dwarf orbiting approximately 1120 light years directly galactic North of the Sol system and thus just outside the main plain of the galactic disk. The world is orbited by 14 moons including 6 similar in mass and composition to the Jovian Galilean satellites.
  • April  - Text by Anders Sandberg
    Inner Sphere non-aligned world with a high axial tilt, in orbit around Beta Hydri
  • Ararat  - Text by D. David Barbeau
    One of the three Capitals of the Sophic League, the other two being Sacred Heart and New Taylor. Terraformed by a long vanished alien race to almost perfect human standards.
  • Arbiter B-IIX - Text by M. Alan Kazlev
    Located in the Keter dominion. Center of the Pulsar Alignment Movement and an important wormhole nexus.
  • Arcadia (Beta Comae Berenices)  - Text by Updated 2021 by Steve Bowers, The Astronomer and Dangerous Safety
    An Inner Sphere early colonized world. Climate extremes forced genetic modification and development of communal hive culture.
  • Archsaur, The Giant Ring of the  - Text by Marcel Lossi
    A very large ringworld orbiting a bright, partially disassembled star
  • Arcturus  - Text by M. Alan Kazlev
    (Alpha Boötis) A centre of the distributed Cyberian Network. Seen from Sol this is the brightest star in the constellation Boötes (the herdsman). It is a red giant (spectral type K1.5IIIp). Arcturus is 34 light-years from Sol. It has an absolute magnitude of 0.2.
  • Argelander  - Text by M. Alan Kazlev and Steve Bowers
    Important NoCoZo system; the shipyards of Argelander are famous.
  • Aries Vector  - Text by M. Alan Kazlev
    Major Metasoft world, important industrial center, after New Root the largest population of vecs in the Metasoft domain; includes major Stargate superPlexii.
  • Aristophane  - Text by M. Alan Kazlev
    The huge Westphalian D Orbitals of the Aristophane system (Sophic League) are home to the largest selection of labyrinthodonts in the galaxy, where all 2,680 known late Carboniferous Terragen species have been lovingly recreated in their original environments.
  • Aristotle (Delta Pavonis)  - Text by M. Alan Kazlev
    Class G8IV star 19.9 light years from Sol; the planetary system contains Darwin, a Eugaian garden world and the gas giants Wallace and Huxley.
  • Arkab Prior A  - Text by Steve Bowers
    Negentropy Alliance system with a dense Dyson Swarm. Part of a binary system with Arkab Prior B.
  • Arkab Prior B - The Necklace  - Text by Steve Bowers
    MPA system with hundreds of Bishop Ring Habitats. Part of a binary system with Arkab Prior A.
  • Arkady 2  - Text by Jules H-G, additional notes by Anders Sandberg
    The only Terragen-inhabited planet in the Toke system. Famous for its strange Terragen dwellers known as the Khira, who augment themselves with huge cybernetic enhancements.
  • Arnon Dar  - Text by Anders Sandberg and M. Alan Kazlev
    Negentropist system, birthplace of the diplomat and ahimsite visionary Alecha Canizares.
  • Arron's Prospect - Text by M. Alan Kazlev
    Solar system in Turner I Sector, provisionally MPA but with Old House Cygexba interests, most well known for the artefacts left by the Jacks, a race of extinct jovian xenosophonts.
  • Arugula  - Text by Steve Bowers
    Vec bubblehab planet
  • Atlantis (Zeta1 Reticuli II)  - Text by Anders Sandberg and M. Alan Kazlev
    Inner sphere old core world; a long-standing NoCoZo Tier III society.
  • Audubon System, The  - Text by Steve Bowers
    Capital system of the LinnEnt Empire
  • Avanola  - Text by Alex Mulvey
    Independent Middle Regions system with no significant planets
  • Avase  - Text by M. Alan Kazlev
    Minor NoCoZo system, Centauri sector. Its only claim to fame was the battle of 5502, where PCO forces scored their first victory over the Paradigm and turned the tide of the war. The system is currently home to a patriotic but otherwise irrelevant culture that trades in nanocloned war memorabilia, medals and PCO fleet uniforms, and speaks of the day coming soon when they will "finish the job" and "whip the Paradigm's butt".
  • Avensis  - Text by Anders Sandberg and M. Alan Kazlev
    Capital of the Cooperative Venture - a number of Networked civilizations studying relics from lost alien civilizations.
  • Aw Addia  - Text by M. Alan Kazlev
    Third planet, Van de Bos' Star.
  • Baenf  - Text by M. Alan Kazlev
    Terraformed Utopia Sphere world, located in the Utopia Outer Arae, about 50 LY from the Negentropist border, and linked by a Stargate to the important Negentropist port of St Xye.
  • Balance Wheel - Text by Stephen Inniss
    A star system on the Metasoft periphery, colonized by a single vec named Mainspring and several billion of eir specialized subordinate scions.
  • Barawatten  - Text by Anders Sandberg
    Also known as 70 Ophiuchi II-2. A Europan type moon of the major gas giant Garell. The current allegiance of the inhabitants is to Keter.
  • Barboro  - Text by M. Alan Kazlev
    BD -16°6046; one of first Keterist worlds to be established.
  • Barnard's Star  - Text by Anders Sandberg
    Surrounded by extensive asteroid belts, Barnard was one of the first systems to be colonised by the First Federation.
  • Baryos  - Text by Anders Sandberg
    Baryos is an unique planet, if that is the right term. It was first discovered by Ylli Farscapes, a NoCoZo remote exploration corp in 7522. They believed, led by stellar motion observations, that the system consisted of a silent black hole orbiting with a sun-like star. What they discovered was much stranger: where the black hole should be a terrestrial planet orbited, with an apparent mass equivalent to 3 sun masses.
  • Barzelona  - Text by Steve Bowers
    Architecturally obsessed posthuman world.
  • Bayanty - Text by M. Alan Kazlev
    Believed to be the site of Free-form Perfect Art created by certain resident hyperturings. However, visitors and tourists are discouraged by the local authorities.
  • Beaual - Text by M. Alan Kazlev
    Independent, important House Stevens Middle Regions system, former Sagittarius Sphere.
  • Beelzebub  - Text by Grant Thomas
    Harsh world known for the presence of the clarketech artifact MellaUx 137.
  • Benes System (HD 17925), The  - Text by Updated by The Astronomer
    Independent system in the Inner Sphere
  • Beta Arae  - Text by M. Alan Kazlev and Steve Bowers
    Star at the core of the Utopia Sphere.
  • Beta Pictoris  - Text by Mike Miller
    Newly formed Inner Sphere system
  • Betelgeuse  - Text by M. Alan Kazlev
    Alpha Orionis, the capital of the Betelgeuse volume, a reddish supergiant star, 660 light-years from Sol.
  • Bethsyngaria, Republic of  - Text by Tony Jones
    Local empire in the NoCoZo which suffered a runaway population explosion.
  • Big Ben's World  - Text by ROM 65536
    Artificial planet around an O-Type star.
  • Big Bob  - Text by Steve Bowers
    A superjovian gas giant orbiting YTS 785634.09 in Puppis, where the primitive lifeforms called Angel Hair have evolved.
  • Big Tor  - Text by M. Alan Kazlev
    Prosperous Sophic League/Free Sophic/NoCoZo system, home of the BigTor Plexus.
  • Bill and Bull  - Text by Anders Sandberg
    Double planets around Delta Eridani (Rana). Location of Vulcan's Forge and the baroque Vore Abergist culture.
  • Bizarro World  - Text by Michael Miller
    Artificial antimatter planet in deep space.
  • Blanchard  - Text by Steve Bowers
    Venus-like world covered in a layer of inhabitable balloons.
  • Blefuscu  - Text by Steve Bowers
    Superterrestrial world with a population of minaturised humans.
  • Blenke Cluster  - Text by M. Alan Kazlev
    Important Communion of Worlds member-system.
  • Blue (Garden World)  - Text by Thorbørn Steen
    The waterworld Blue, with its native xenoecology, gives its name to this system in the Seams
  • Blueshift Archipelago - Text by M. Alan Kazlev
    Important Metasoft cluster of systems.
  • Bolobo  - Text by Steve Bowers
    A planetary system with no large planets, but several smaller worlds which have been shephereded over time into stable orbits.
  • Bone-Claw  - Text by Liam Jones
    Eta Cephei, a Provolved Hyena system
  • Bonfire System, The  - Text by Mike Miller
    Middle Regions MPA world, a Transapient-arbitrated cyberdemocracy
  • Bothyga M'Vau  - Text by Anders Sandberg
    World with highly developed machine-ecology.
  • Bourgatov  - Text by Anders Sandberg
    (Theta Persei III) Formerly one of the most populous systems of the Inner Sphere, at its height home to 34 billion humans, splices and vecs. Wiped out by a collapse at the end of the Second Federation.
  • Braciola  - Text by A Pork Chop
    Middle Regions world with an ecological consciousness.
  • Branswerg  - Text by M. Alan Kazlev
    CD -30°19255 - Important inner sphere system - one of first Keterist worlds to be established, includes a sizable neodolphin and post-neodolphin population.
  • Branton-II - Text by M. Alan Kazlev
    Terraformed planet in the outer volumes Perseus Quadrant of the Outer Cassiopeia Sector, colonists captured by rogue AI to use as biotic matrix for the Xeon blight.
  • Brin  - Text by Anders Sandberg
    42 Tauri IV : Site of the Battle of Erson.
  • Budrosa Dyson  - Text by M. Alan Kazlev
    Former Negentropy world. Currently an Efficiency Maximization Paradigm dyson sphere, used for energy production.
  • Bullseye  - Text by Steve Bowers
    Tidally locked terraformed world with post-intelligent population.
  • Byrdis (also known as Kaa Yvanti)  - Text by Anders Sandberg
    A 40,000 kilometer long former beanstalk orbiting Kaa Yavanti which was severed during the Refutology war and has now become an independent habitat.
Related Topics
Development Notes
Text by Orion's Arm Editors

Initially published on 31 December 2007.

Additional Information