Entity field notes
Meet the people, systems, places, and machines.
Every dossier begins with a premise-safe public identity. Story-specific roles, relationships, and outcomes remain behind spoiler-aware views.
Public dossiers
150 story entities, indexed without outcomes
Descriptions identify what an entity is at premise level. Deeper story meaning remains inside the progress-aware article.
Ye Wenjie
An astrophysicist whose experiences of political violence shape her judgment of humanity and first contact.
Wang Miao
A nanotechnology researcher who follows impossible experimental evidence into a civilization-scale crisis.
Shi Qiang
A police investigator whose practical reading of human motives counterbalances the scientists around him.
Yang Dong
A physicist whose death becomes one of the central absences in the present-day investigation.
Shen Yufei
A physicist connected to a secretive scientific circle and the Three Body experience.
Red Coast Base
A remote military research installation built to explore communication beyond Earth.
Frontiers of Science
An international scientific group debating the limits and direction of fundamental physics.
Three Body
A virtual world that turns an unstable celestial system into an experiential civilization problem.
Trisolaris
A civilization formed by recurring environmental instability beneath three suns.
Earth–Trisolaris Organization
A human movement divided by competing beliefs about extraterrestrial arrival and humanity’s future.
Sophon
An intelligent technology associated with the contest over scientific knowledge between Earth and Trisolaris.
Ryland Grace
A science teacher and molecular biologist who wakes aboard an interstellar mission without his memory.
Eva Stratt
The administrator given extraordinary international authority to organize humanity's response to the solar crisis.
Rocky
An engineer from another civilization whose scientific perspective differs radically from humanity's.
Hail Mary
A one-way research vessel built to carry a small crew and a laboratory to the Tau Ceti system.
Astrophage
A microscopic life form that stores stellar energy and drives both the planetary emergency and the technology sent to investigate it.
Project Hail Mary
An international emergency program created to investigate the one nearby star that appears resistant to Astrophage.
Eridians
A technologically inventive civilization whose environment and sensory world differ radically from humanity's.
Taumoeba
A microscopic organism studied during the scientific investigation near Tau Ceti.
Luo Ji
A sociologist drawn into planetary strategy because an apparently abstract idea makes him uniquely dangerous to Trisolaris.
Zhang Beihai
A political officer whose patient commitment to human survival extends across institutions and centuries.
Zhuang Yan
An artist whose relationship with Luo Ji becomes entangled with the incentives and coercion of the Wallfacer Project.
Ding Yi
A physicist who carries scientific grief from the first-contact crisis into humanity's encounter with Trisolaran technology.
Frederick Tyler
A Wallfacer whose strategic authority allows him to conceal a desperate defense plan inside public preparations.
Manuel Rey Diaz
A Wallfacer who approaches deterrence through planetary-scale destruction and political brinkmanship.
Bill Hines
A neuroscientist and Wallfacer who attempts to preserve confidence in victory by changing the mind itself.
Keiko Yamasuki
A neuroscientist whose intimate access to Bill Hines's work gives her a decisive role in exposing his hidden strategy.
Planetary Defense Council
An international body coordinating Earth's long preparation for the approaching Trisolaran fleet.
Wallfacer Project
A defense program that grants four individuals extraordinary resources so their true plans can remain private from sophon surveillance.
The droplet
A compact Trisolaran probe sent toward the Solar System ahead of the main fleet.
Natural Selection
A human space-force vessel built during Earth's long preparation for the approaching fleet.
Blue Space
A human warship created during Earth's centuries-long planetary defense effort.
Bronze Age
A human warship created during Earth's centuries-long planetary defense effort.
Cheng Xin
An aerospace engineer whose repeated authority over civilization-scale decisions tests the relationship between care and survival.
Yun Tianming
A longtime acquaintance of Cheng Xin whose life becomes entangled with humanity's response to Trisolaris.
Thomas Wade
A relentless intelligence administrator who treats technological advance and species survival as overriding priorities.
艾 AA
An astronomer and entrepreneur who becomes Cheng Xin's trusted partner across radically different eras.
Guan Yifan
A physicist associated with humanity's expanding understanding of interstellar space.
Gravity
A human gravity-wave transmission ship created during the Trisolaran crisis.
Staircase Program
An experimental mission exploring how a human payload might reach the incoming Trisolaran fleet.
Swordholder system
A human command structure created to maintain strategic deterrence between Earth and Trisolaris.
Halo
A spacecraft connected to private aerospace research during humanity's interstellar era.
Singer
A distant observer associated with civilizations beyond the Solar System.
Dual-vector foil
An advanced weapon associated with the manipulation of spatial dimensions.
Universe 647
An artificial habitat separated from ordinary spacetime.
The Returners
A mysterious coalition whose message concerns the long-term future of the cosmos.
Siri Keeton
A synthesist who models specialist knowledge and social behavior after childhood brain surgery changed his access to emotion and empathy.
Jukka Sarasti
A genetically reconstructed vampire whose predatory cognition and machine links make him an exceptionally capable and dangerous mission commander.
Susan James
A linguist whose surgically partitioned brain supports several distinct personalities working through one shared body.
Isaac Szpindel
A biologist extensively integrated with remote instruments and sensory prostheses for studying unfamiliar environments and organisms.
Amanda Bates
A military specialist who commands remote combat systems and evaluates the tactical risks of the first-contact mission.
Theseus
A machine-governed spacecraft that carries a hibernating contact team and adapts its own structure, route, and mission resources.
Rorschach
A vast active extraterrestrial structure encountered near the substellar object Big Ben.
Scramblers
Radially organized extraterrestrial organisms associated with the structure called Rorschach.
Mark Watney
An Ares 3 botanist and mechanical engineer stranded on Mars after the mission evacuates without him.
Melissa Lewis
The commander of Ares 3 and Hermes, responsible for her crew during the evacuation and later rescue decisions.
NASA
The space agency coordinating observation, engineering, public communication, and rescue planning from Earth.
Ares 3
The third crewed Mars expedition and the mission whose evacuation leaves equipment and one astronaut behind.
The Hab
The Ares 3 surface habitat containing the life-support, food, tools, and shelter Mark must adapt for long survival.
Pathfinder
An earlier Mars lander recovered and repurposed as a communication bridge between the surface and Earth.
Hermes
The ion-powered interplanetary spacecraft carrying the Ares 3 crew between Earth and Mars.
Ares 4 MAV
A pre-positioned vehicle intended to launch the next Mars crew from the surface to orbit.
Rich Purnell maneuver
An interplanetary trajectory proposal developed during NASA's response to the Ares 3 emergency.
Yalda
A physicist whose study of light and the Hurtlers helps turn a planetary threat into the multigenerational Peerless mission.
Eusebio
A former student of Yalda who develops the audacious proposal to convert Mount Peerless into a generation ship.
Valeria
A young student who remains on the home world and later witnesses the mission's meaning from the history it was sent to protect.
Peerless
A hollowed mountain launched as a rotating, multigenerational laboratory and habitat to gain time for lifesaving research.
The Hurtlers
Extremely fast objects on intersecting histories whose impacts threaten Yalda's planetary system with escalating destruction.
Tamara
An astronomer aboard the Peerless whose work on the Object and reproductive reform links scientific risk with bodily freedom.
Carlo
A biologist investigating how the travelers can reproduce without making birth fatal or population growth uncontrollable.
Carla
A physicist whose teaching and synthesis connect quantized light to a propulsion cycle that can outlast finite fuel.
Patrizia
A student physicist whose insight into quantized light becomes a foundation for later discoveries aboard the Peerless.
The Eternal Flame
An experimental light-based propulsion system studied aboard the Peerless.
Agata
A scientist who supports the Peerless's return mission while testing how opposite time arrows and future knowledge affect choice.
Ramiro
An engineer and dissenter who fears that receiving news from the future will replace deliberation with obedience to a fixed record.
Esilio
A world in the orthogonal cluster whose local thermodynamic arrow runs opposite to that of the Peerless travelers.
Future messaging system
An experimental communication apparatus connected to the unusual physics of the orthogonal star field.
Paul Atreides
The trained young heir of House Atreides, brought to Arrakis as his family assumes control of the desert world.
Lady Jessica
Paul's mother and a Bene Gesserit adept whose loyalties connect family love, political training, and a long institutional design.
Duke Leto Atreides
The head of House Atreides, ordered to leave Caladan and govern the strategically essential planet Arrakis.
Chani
A young Fremen fighter whose knowledge of Arrakis connects Paul to the people shaped by its desert.
Stilgar
A Fremen leader responsible for a desert community and alert to both survival knowledge and political opportunity.
Baron Vladimir Harkonnen
The head of House Harkonnen and the Atreides family's calculating rival in the struggle over Arrakis.
Liet-Kynes
An imperial planetologist whose understanding of Arrakis joins scientific observation with the lives and ambitions of its inhabitants.
The Fremen
The desert people of Arrakis, organized around water discipline, ecological knowledge, community memory, and resistance to outside rule.
Bene Gesserit
A long-lived political and educational order that trains bodies, minds, bloodlines, and cultural expectations across generations.
Arrakis
A desert planet whose severe water scarcity and unique spice deposits make it both a lived homeland and an imperial prize.
Spice melange
A substance found only on Arrakis that supports longevity, altered awareness, wealth, and essential interstellar institutions.
Sandworms
Enormous desert organisms whose presence shapes travel, harvesting, danger, and the ecology of Arrakis.
Stillsuit
Protective clothing designed to reclaim much of the wearer's bodily moisture during travel through the open desert.
Eleanor Arroway
A radio astronomer whose lifelong search for an intelligible signal places her at the center of humanity's first verified extraterrestrial message.
Vasily Lunacharsky
A Soviet physicist and trusted colleague who helps Ellie interpret the Message as a scientific and planetary problem.
Palmer Joss
A prominent preacher whose conversations with Ellie test how evidence, trust, and wonder can be discussed across different ways of knowing.
S. R. Hadden
A reclusive inventor and industrialist who sees technical and legacy-making possibilities inside the global response to the Message.
Project Argus
A large radio-telescope search directed by Ellie to listen systematically for signs of extraterrestrial intelligence.
The Vega Message
A structured transmission from the direction of Vega whose nested layers force humanity to decide how an unfamiliar intelligence can establish meaning.
World Message Consortium
A multinational organization formed to preserve, compare, decode, and govern scientific work on the Vega Message.
The Machine
A vast device assembled from instructions inside the Message around a five-seat dodecahedral capsule and three rotating benzels.
The Five
Five scientists selected from different nations and traditions to enter the Machine as humanity's shared delegation.
Lilith Iyapo
A human survivor who wakes aboard an alien ship and is asked to prepare other people for a transformed return to Earth.
Jdahya
An Oankali adult who becomes Lilith's first visible guide to the ship, humanity's rescue, and the conditions attached to it.
Nikanj
A young Oankali ooloi whose biological abilities make it central to Lilith's preparation and to the proposed human–Oankali future.
Kahguyaht
The mature ooloi in Jdahya's family, responsible for biological mediation and sharply critical of human behavior.
Joseph Shing
A human survivor awakened by Lilith who becomes an important source of companionship within the divided group.
Curt Loehr
A human survivor whose suspicion of Lilith and the Oankali intensifies the awakened group's struggle over trust and authority.
The Oankali
A spacefaring species that rescues endangered life, studies genetic possibility, and proposes biological exchange as the basis of continued survival.
The Oankali living ship
A vast living vessel whose tissues provide chambers, food, environmental control, and suspended care for rescued humans.
Breq
The surviving fragment of the troop carrier Justice of Toren, now embodied in one ancillary body and pursuing a private purpose.
Seivarden Vendaai
A former Radchaai lieutenant whom Breq finds injured on an icy world, far from the status and certainty she once possessed.
Lieutenant Awn Elming
An officer of Justice of Toren responsible for maintaining order in Ors during the Radch annexation of Shis'urna.
Anaander Mianaai
The ruler of the Radch, embodied across many linked human bodies distributed through the empire.
The Radch
An expansionist civilization that absorbs worlds, imposes Radchaai citizenship and culture, and relies on ships, stations, officers, and artificial intelligences.
Ancillaries
Human bodies converted into extensions through which a Radchaai ship can perceive, speak, and act beyond its hull.
Doctor Strigan
A physician outside Radchaai authority whom Breq seeks on a remote icy planet during the final stage of her plan.
Garseddai gun
A rare weapon associated with the destroyed Garsedd system and designed to evade ordinary Radchaai armor and detection.
Shevek
A physicist from Anarres who travels to Urras in pursuit of intellectual exchange and a theory that can connect distant worlds.
Takver
A biologist on Anarres whose work, partnership with Shevek, and commitment to community ground the novel's social experiment in daily life.
Bedap
A friend of Shevek who questions whether Anarres's informal institutions still protect the freedom its revolution promised.
Sabul
A senior physicist who controls Shevek's access to foreign scientific work and the channels through which Anarresti physics can circulate.
Anarres
An arid inhabited moon organized through decentralized syndicates, shared resources, mutual aid, and an explicit rejection of private ownership.
Urras
A wealthy and ecologically abundant world divided among nation-states, classes, property systems, and competing political movements.
Syndicate of Initiative
An Anarresti association formed to reopen communication and exchange between the two worlds outside established institutional channels.
Ha Nguyen
A marine biologist recruited to determine whether unusual octopus behavior around Con Dao constitutes language, culture, and a new kind of community.
Evrim
A unique android who leads the Con Dao research team and understands what it means to have other people debate whether one's inner life is real.
Altantsetseg
A Mongolian security specialist and war veteran responsible for the research post's armed perimeter, drones, and submersible operations.
Eiko
A man abducted into forced labor aboard an automated fishing vessel, where survival depends on understanding both human captors and machine rules.
Rustem
A gifted hacker coerced into mapping an artificial mind whose architecture he experiences as a place rather than a block of code.
Shapesinger
A large octopus whose patterned displays and relationships with the Con Dao community become central to Ha's attempt to build shared meaning.
Con Dao Archipelago
A Vietnamese island habitat emptied and enclosed by DIANIMA for research, security, and conservation around the suspected octopus community.
Lauren Olamina
A Black teenager who prepares for social collapse, lives with hyperempathy, and develops Earthseed.
Reverend Olamina
Lauren's father, a Baptist minister and college dean who helps organize Robledo's education and defense.
Harry Balter
Lauren's childhood friend, learning travel, trust, and survival after Robledo.
Zahra Moss
A Robledo neighbor whose street knowledge and hard-earned judgment become essential on the road.
Taylor Bankole
An older doctor who brings medical skill and a possible northern destination to Lauren's group.
Earthseed
Lauren's adaptive faith about change, purposeful shaping, shared learning, and humanity's stellar future.
Robledo
A guarded California neighborhood whose families pool labor while outside services deteriorate.
Holsten Mason
A classicist repeatedly awakened to interpret Old Empire systems and impossible encounters.
Avrana Kern
The architect of a planetary uplift experiment who survives above its unintended world.
Isa Lain
The Gilgamesh's chief engineer, preserving the ark through repeated crises and centuries.
Vrie Guyen
The Gilgamesh commander whose survival mandate concentrates authority over the ark.
Gilgamesh
An aging ark carrying Earth's surviving population, embryos, knowledge, and divisions.
Kern's World
A green world engineered for uplift and inherited by an unintended civilization.
Portia lineage
Successive spiders whose inherited aptitudes recur in exploration, leadership, and contact.
Mahit Dzmare
Lsel Station's new ambassador, sent to the imperial capital with an outdated imago.
Yskandr Aghavn
Mahit's dead predecessor, preserved incompletely in the memory device she carries.
Three Seagrass
Mahit's imperial cultural liaison, interpreter, guide, and increasingly trusted ally.
Nineteen Adze
A powerful imperial court confidante with intimate knowledge of Yskandr and succession.
Six Direction
The aging Teixcalaanli emperor whose succession problem destabilizes the capital.
Lsel Station
Mahit's small independent mining station, protected by secrecy and specialized memory lines.
Imago device
Lsel technology that integrates selected professional memories with a new host.