Terratin was the only planet in the Cephenes star system. For two centuries, it was the home of Terra 10, an Earth colony.

Specifics[edit | edit source]

Terratin is smaller than Earth with a geologically active and unstable surface. The pronounced seismic activity produced a large number of volcanoes and earthquakes. While its atmosphere contained a breathable mixture of oxygen and nitrogen in the mid 2260s and was high in some rare gases, contamination from volcanic eruptions was expected to render the air unbreathable by the end of the century.

A rare type of radiation known as spiroid epsilon radiation was emitted by the planet, which shrank organic tissue over a period of generations. Some lower animal life forms inhabited the surface as well as vegetation. While it appeared to have standard amounts of geologic ores, the planet was high in dilithium crystals. (TAS episode & Log Four novelization: The Terratin Incident)

History[edit | edit source]

In the 21st century an Earth generational ship landed on the planet and named it Terra 10, which over time became Terratin. The settlers became significantly reduced in size due to radiation exposure, with the change affecting their DNA and becoming permanent over time. They were able to calculate the extent of their shrinkage and build a city to accommodate them. Eventually they also developed a means of amplifying the radiation into a compaction beam as a planetary defensive weapon. (TAS episode & Log Four novelization: The Terratin Incident, TOS reference: Spaceflight Chronology)

Prior to 2269, a Federation sensor drone scanned the surface. It did not detect the colony city Terra 10, only vegetation and volcanic activity. (TAS - Log Four novelization: The Terratin Incident)

In 2269, the USS Enterprise orbited Terratin to investigate a mysterious transmission. When the colony's communications equipment was destroyed, the colonists had no other way of drawing attention except to use the compaction beam, which shrank the ship's personnel. Captain James T. Kirk was able to transplant Terra 10 to the planet Verdanis in the Beta Cephei system, which was 10 days' travel from Terratin. (TAS episode & Log Four novelization: The Terratin Incident)

Following their visit, Kirk expected Terratin could become an important dilithium mining source for the Federation. With their settlement rights, the Terratin people would benefit greatly from it. (TAS - Log Four novelization: The Terratin Incident)

In 2298, Ambassador Sarek and Spock discussed Terratin and its radiation. Sarek and Amanda Grayson were planning to visit the transplanted colony on Verdanis. (TOS - Crucible novel: The Fire and the Rose)

Appendices[edit | edit source]

planets visited by the USS Enterprise (NCC-1701) during Captain Kirk's initial five-year mission (2265-2270)
various Aprilia IIICaporyGarrusTriangularis III
2265 EarthDraxis IITallyGamma Alpha VPollux IIStarbase 8 planetSector Vega 6 planetM-155Archernar IVDimorusMandylion VTendar IVMestikoAlpha Ortelina VIIArronus VIIAldebaran IIIDelta Vega IStarbase 12VelluriusEarthEmpyreaGlobular planetNorusJunkyard planetPalnak's planetSantarNova XIIIZeltokKorakTraveler's homeworldDukarNeesanAlgenib II
2266 Crucial-3VultraRobots' planetAngomaMantis planetNuofoStaiVrexBalant planetZargotColtacRigel XIIAlfa 177M-113Psi 2000Tlaoli IVSkurSelkyeTaragonAlpha 332Ynobe IIEcnalRayloNorigaAlpha Proxima IIArgylusOminnusEarthK-GSeggorForniaAngiraBeta IINeesanKujalLunaBwujaFayoHerculaEarthKibo/NdoraNrakaAlpha 23-COordonMobitaJodarrQuodarZartaFloe IMetamorphaInicrustMortiTerrellian IIVoodoo planetRiza homeworldMila XaKrugar III remnantQuaraxusArimaMazdaNumero UnoBeta CarinaeExo III1324-IV7348-IITantalus VMiri's homeworldPlanet QBenecia
2267 Taurus IIMakus IIIXimega IIHydra Epsilon IIIPerseus Arm planetoidYkoTenkaraSalvumGrotusVaranu planetYkoTalos IVTektonRifas-LAmusement Park planetHeitius VIICentaurus VFomalhaut VTyrtaeus IIGothosBeta VITheta VIIRamedes IIICestus IIIAlvaLazarus's planetGalaxy Zekbran planetCygnet XIVEarthCanaraBeta IIIDraqqanaEminiar VIICeti Alpha VGamma 400VartaxDak-AlphaTimshelOmicron Ceti IIIJanus VI7348-IIChandra IVOrganiaAngrenaYkoEarth Colony IIGatewayEarthDenevaJanvarZentarZettin • "the Frontier" • ModalaGamma XaridianElsinor H-25Starbase 10Beta Mariotia IIIVega IIITondusVarkan asteroidTekkorCarnakPyris VIIEarthPentam VGamma Canaris NVandros VIINukoleeStyraLurotaGiant Brain asteroidOtari IIGatewayIsis IIINot EdenMaaba S'JaCapella IVPollux IVVulcanMestikoNadorTactis IIBeta Nirobi IIPhygma IVOutpost Omega-70Tau Gamma IVM-370Argelius IIMerope IVMalurEulusDonico IIGamma Trianguli VIMasabaLekythosTyrtaeus IIShroud IVHalkaIxtoldeGamma Hydra IVCalydonBelmara IVTuran Tot Narut's planetGamma Canaris NTaunusPlanet 656Beton IIIKwettirSklurrKarrGraktanTharkMorkolPlixesAndriusMuddEarthAneher IIWezonvuNalaingMagna RomaBavaryaNeolithiaMythraRimilliaBabelGamma Canaris NTNC 65813VulcanNisusCertaxNarnel's WorldNGC 667Neural
2268 Fornax IIGamma IITriskelionRudimonArgus XTycho IVCentaurusUsildeTheta VIISigni BetaTautee systemVulcanBeta Canzandia IIIMevinnaSigma Iotia IIXanviaXoxxaInquisitor's planetBeta ReticuliDelta VegaNalogen IVDelta VegaDelta Canaris IVAlnath IIAmmdonArretEkosEeiauoSivaoKahlessOmega IVEarthTheta Kiokis IIElasTroyiusElethiaAlsandKosTau Delta IXAmerindStarbase 14 planetAndru 4/6Tranquility VIIMinos VEarthExo IIIT'nufoMinos VEando 375Wrigley's Pleasure PlanetExo IIITortuga VITaos IVTriacusMarcos XIIWokkle IIICawley IVMakon IIIKalaLowariaDreamers' planetSigma Draconis VIDireidiMedusaElcidar Beta IIIMinara IIOctavius IVBeta CabriniPegasus IVCareta VBeta XII-APlatoniusIzellEarthScalosM-317Beta Aurigae IIISanoora host planetRhinegeltKalandan outpostBrellian IVPrastorDistrelTttnicktttnorAriannusCheronElba IISanctuaryGideonKolya
2269 Memory AlphaMerak IIArdanaPollux VAvalonBalkos IIINova Atar IIIVesbiusJanus VIPollux IILeora IVWaasertlaMygdalus IIICentaurusRaga's PlanetEdenTheta Tau VHolberg 917GBeta Niobe IIIExcalbiaSarpeidonCamus IIDuwamishEphrata IVSigma Niobe IIGatewayKrasniMaltos IVOrganiaKyrosBeta CastelliNestaAnomalyAcademyArachnaeLyraBabelEpsilon Delta IVHeartlandMemory PrimeTalin IVSyhaar PrimeGatewayMantillesTaurus IIBeta Omicron Delta IIIMotherlodeMegas-TuTerratinSherman's PlanetThe StrandAarak IIIPhi XIUr homeworldVidenDengella IIEphrata IVGobi IIIPacificaGralafiLoren VArgoWaycrossPerryDelta Gamma IVDetente ITrefolgTrellisaneBeta CastelliHeloxBoaco VIJuram VVancadiaChyrellkaVeletus VPatria IPelos
2270 Janus VIPhylos IIVedala asteroidDramiaDramia IIArretLactra VIIBoqu IINGC 7332Delta Theta IIIPandroBriamosBelarius IVVelat Nol/R-836 IIGelladorn/R-775 ILotora IIICenotaphVehtora IVN'caiMuldoonCoridan IIIAkladiMuddKubanSaraiStarbase 7 planetStella Mudd's planetMuddTaygeta VOkeanosBeta Omicron Delta IIIYoondriGatewayZeta GibraltarAndrosYusubEarth (alternate)SycoraxBira IIINjuraOmne's planetVoranRazarMercanAleriadAritaniYalboVulcanUnnamed Hoshan planetsTanisAragosAleph PrimeAleph IIIAntos IVTakoi homeworldEarthDenebiaVeneu IIKlondike VIIsitra ZeroPelosArchernar IVTalos IVPillagra/R-855EarthStarbase 12Tomarii

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Reference[edit | edit source]

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