Image from Wyrmshadow
- Earth - Text by M. Alan Kazlev, updated by Stephen Inniss
Earth; Old Earth, the original home of humanity and the origin of the Terragen Civilisation. Now a Caretaker protectorate with limited access.
- Earthland - Text by Steve Bowers
Important Metasoft colony and baseline reserve planet.
- Ebony Xerocracy, The - Text by Liam Jones
Ex-hider polity with a long-lived high-tech society.
- Ecotopia - Text by Todd Drashner
Capital system of the Zoeific Biopolity.
- Eden - Text by Anders Sandberg
Gliese 785. A long-established hi-tech Inner Sphere world, original home of the Eden Institute.
- Eganfodugbe - Text by Stephen Inniss
Feral botworld evolved from autonomous bubblehabs.
- Eklund ISO - Text by Anders Sandberg
Historical Keterist world, exploiting the tremendous computing resources of the ISO for historical simulations/recreations (often called retreations) based on all available evidence and the self-consistency of history. Beside the Institute of Long-Range Cliology it is also known for the the Resurrection Orbit, a corporate brotherhood specializing in resurrecting versions of historical persons from the Institute retreations.
- Elderman's Star - Text by M. Alan Kazlev
Important Communion of Worlds member-system.
- Elmo - Text by Steve Bowers
Garden World in Monoceros, 1071 ly from Sol.
- Enigma Four - Text by Espen Antonsen
Transapient hive mind of unknown origin.
- Enremdea - Text by M. Alan Kazlev
GH4343 Monocerotis VII, capital of the Orion Federation.
- Eostremonath and the Othelia System - Text by John M. Dollan, amendments by Mark Ryherd
61 Virginis IV; an Inner Sphere terraformed world, at one time a lost colony
- Epsilon Aurigae - Text by Steve Bowers
Fo supergiant 2037 ly from Sol
- Epsilon Sculptoris - Text by Steve Bowers
Binary system 89.5 light years from Sol.
The first alien artifact, a fragmentary hull of a autonomous vessel, was discovered here in 1460 AT. This artifact was 196 million years old, a relic of the unnamed species HIE636MZE.
- Erasmus Orbitals - Text by M. Alan Kazlev
Home to the Interstellar Society of Biotic Nomenclature, among other things.
- Eryture - Text by M. Alan Kazlev
Home to the most populous and well-known Colbiörnsens - the Skinplayers of Eryture, who have extended their skin-art into the design of musical or other artistic instruments as part of their anatomy.
- Escelon 3 - Text by M. Alan Kazlev
Part of the Puppis Democracy. Victim of Nimbus dissidents.
- Eta Carinae - Text by Chris Clowes
A binary star system comprising of a peculiar, erratically fluctuating Luminous Blue Variable and an O-type supergiant star. One of the most luminous stellar objects of our Galaxy.
- Eta Cassiopeiae - Text by M. Alan Kazlev
Early colony system, homomorph vec inhabited, now Solar Dominion. See Diwali
- Eunchong (Gliese 832) - Text by The Astronomer (2016)
Red dwarf near Sol; former member of the Eridanus League.
- Euripedes Mey - Text by M. Alan Kazlev
YTS 102483210-IV; a mesobiotic world (Gaian Type - Thalassic Subtype) near M48, under joint Sophic/Caretaker stewardship.
- Eutopia - Text by Liam Jones
HIP 85986 in the Utopia Sphere
- Evermore - Text by Chris Shaeffer, image by Phaethon in 2023
Megastructure habitat consisting of multiple cylinders, on the edge of Disarchy space.
- Everypath - Text by M. Alan Kazlev
Secular keterist splice-tweak culture, together with Fredholm regarded as masters of genetic provolution.
- Far Acton - Text by M. Alan Kazlev
Cygnus Sector, Outer Volumes, system, former Cygexpa outpost, attacked and destroyed by rogue bio-Autowars in aftermath of Keterist-Biovirate War, currently owned by Zenon Charter, offers the experience of feeding amat to only semi-tame rogue biowars.
- Farview - Text by Steve Bowers
Chief Archailect of the Red Star M'Pire: emerged during the period of isolation when that empire was cut off from the rest of the Terragen Sphere. Currently a Fifth Toposophic entity.
- Fast Forward - Text by Todd Drashner
Dominion experiment in the creation of a neogenic ecosystem based on neutron matter.
- Felicidade - Text by Steve Bowers
Unsuccessful terraformed world, later a dyson sphere with a vast virtual cybercosm.
- Felis Minoris II - Text by M. Alan Kazlev
A cold planet altered by the unnamed species HIE236PPE (an extinct xenosophont race) so that it supports an ecology of cold-adapted lifeforms. These lifeforms share a common ancestry with those found on 12 other worlds.
- Fiarro Twin Worlds, The - Text by Steve Bowers, Michael Jones and Mark Ryherd
Twin terrestrial worlds in Vela.
- Filiae Reserve - Text by Anders Sandberg and M. Alan Kazlev
Volume of space centered around a group of stars apparently involved in an old transcendent civilisation. The volume stretches in a rough tetrahedron from the red dwarf YTS 594-456111, the sun-like star Filiae and the wisp of dark cloud locally called the Mouthpiece. It has numerous terraformed planets teeming with life, but is aggressively protected by both local nanosystems and several Caretaker Gods. What lies inside is unknown.
- Focal Point - Text by Steve Bowers and Darren Ryding
The only planet ever to be terraformed and colonized in the Archaipelago. Various races were created by the demiurge godling formerly known as the Looking Glass. Now a wasteland.
- Fons Luminis (Xi Ursae Majoris) - Text by Anders Sandberg
Xi Ursae Majoris, the Capital of the Solar Dominion.
- Fornius Tup'arrah - Text by Charles Mosteller
Planet in the Queenus Nine system notable for its population of a clade of baseline hu quasi-hybrid vampires known as the Tan'gg DruU.
- Fran Prime - Text by M. Alan Kazlev
YTS 5072-0540192. A resource poor system in the inner Vulpecula quadrant of what is now MPA space, about 715 LY from Sol, home-system of the Fran.
- Fredholm - Text by M. Alan Kazlev
Home to a secular Keterist splice/tweak culture. Together with Everypath regarded as masters of genetic provolve. Includes Beetan Orbital ISO, where a detailed plagiate of the great vec artist Inner Enrastered Link Connection that had been pirate-freed by platonic activists was granted asylum.
- Fredre Iskare (planet) - Text by Aaron Hamilton
The world where the Saro-Mbuna - Roduimo Affair took place.
- Freedonia - Text by Steve Bowers
Contact binary system in Antlia
- Frei - Text by M. Alan Kazlev
HJer-IV, NoCoZo, primary around which orbit the (in)famous Makrania Orwoods. There is a large wormhole plexis which connects directly to Merrion, Alauda, and a number of other worlds.
- Frog's Head - Text by Steve Bowers
Formerly called Heket; the central world of the Genen culture.
- FuMa - Text by Steve Bowers
Ocean world, former Conver Ambi territory
Text by Orion's Arm Editors
Initially published on 31 December 2007.