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

Specifics[]

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[]

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[]

planets visited by the USS Enterprise (NCC-1701) during Captain Kirk's initial five-year mission (2265-2270)
various CaporyCygnet IVGarrusRheelTriangularis III
2265 EarthYkoDraxis IITallyKarabos IIGamma Alpha VPollux IIStarbase 8 planetSector Vega 6 planetM-155Archernar IVDimorusMandylion VTendar IVMestikoAlpha Ortelina VIIArronus VIIAldebaran IIIDelta Vega IStarbase 12VelluriusEarthGlobular planetNorusJunkyard planetPalnak's planetSantarNova XIIIZeltokKorakthe Traveler's homeworldDukarOrthooAlgenib II
2266 Crucial-3VultraRobots' planetAngomaMantis planetNuofoStaiVrexBalant planetGalaxy T-21 planetZargotColtacRigel XIIAlfa 177M-113Psi 2000Tlaoli IVSkurSelkyeTaragonAlpha 332Ynobe IIEcnalRayloNorigaAlpha Proxima IIKynardiArgylusOminnusEarthK-GNekrosSeggorForniaAngiraBeta IINeesanKujalRazlakLunaBwujaFayoHerculaEarthKibo/NdoraNrakaSacroAlpha 23-COordonMobitaJodarrQuodarZartaFloe IMetamorphaInicrustMortiTerrellian IIVoodoo planetRiza homeworldMila XaKrugar III remnantQuaraxusArimaMazdaNumero UnoBeta CarinaeExo III1324-IV7348-IITantalus VMiri's homeworldPlanet QBeneciaZorat planet
2267 Taurus IIMakus IIIXimega IIHydra Epsilon IIIPerseus Arm planetoidYkoTenkaraSalvumGrotusVaranu planetYkoTalos IVTektonRifas-LAmusement Park planetHeitius VIIPlanet of FireIce PlanetCentaurus VFomalhaut VEmben IIICynur IVTyrtaeus IIGothosBeta VITheta VIIRamedes IIICestus IIIMetron planetAlvaLazarus's planetGalaxy Zekbran planetCygnet XIVEarthCanaraBeta IIIDraqqanaIach'tu PrimeEminiar VIICeti Alpha VGamma 400VartaxDak-AlphaTharkMorkolTimshelOmicron Ceti IIIJanus VI7348-IIChandra IVOrganiaAngrenaYkoEarth Colony IIGatewayEarthDenevaJanvarZentarZettinDiad II • "the Frontier" • ModalaLadoGamma XaridianElsinor H-25Starbase 10 planetBeta Mariotia IIIVega IIITondusTekkorCarnakPyris VIIEarthPentam VGamma Canaris NVandros VIINukoleeStyraLurotaOorego IVGiant Brain asteroidOtari IIGatewayIsis IIINot EdenMaaba S'JaCapella IVPollux IVVulcanMestikoCJ-884 planetNadorTactis IIBeta Nirobi IIPhygma IVOutpost Omega-70Tau Gamma IVM-370Argelius IIMerope IVMalurEulusDonico IIGamma Trianguli VITyrtaeus IIHalkaIxtoldeGamma Hydra IVLevinius VCalydonStarbase 10 planetTuran Tot Narut's planetGamma Canaris NTaunusPlanet 656Beton IIISklurrKarrGraktanPlixesAndriusDenevaMuddEarthAneher IIWezonvuNalaingMagna RomaBavaryaNeolithiaMythraRimilliaBabelGamma Canaris NVulcanNisusCertaxNarnel's WorldNGC 667Neural
2268 Fornax IIGamma IITriskelionRudimonArgus XTycho IVTheta VIICentaurusUsildeSigni BetaTautee systemPrometheus IVSyngrealGlisten IVBillybobGamma Hydra GammaMiloThrintThrockmortonUrf DurfalOrgoneVulcanBeta Canzandia IIIAlpha Maluria VIRariar IIIKarxen VDekian IIMevinnaSigma Iotia IIXanviaXoxxaInquisitor planetBeta ReticuliDelta VegaNalogen IVDelta VegaDelta Canaris IVAlnath IIAmmdonArretMu Arigulon VEkosEeiauoSivaoAprilia IIIKahlessOmega IVEarthTheta Kiokis IIElasTroyiusElethiaAlsandKosTau Delta IXKroy's planetAmerindStarbase 14 planetAndru 4/6Tranquility VIIMinos VEarthExo IIIT'nufoMinos VEando 375Starbase 10 planetWrigley's Pleasure PlanetExo IIITortuga VITaos IVTriacusMarcos XIIWokkle IIICawley IVMakon IIIKalaLowariaDreamers' planetSigma Draconis VIDireidiMedusaIolos VIGiermosPersis NovaMidgwisMinara IIGamma VIOctavius IVBeta Cabrini colonyPegasus IVCareta IVBeta XII-APlatoniusEarthScalosM-317Beta Aurigae IIISanoora host planetRhinegeltKalandan outpostDistrelPrastorYork IIITttnicktttnorAriannusCheronElba IISanctuaryGideonKolyaTau Omega IVTau Omega IIITareel III
2269 RontelmMemory AlphaArdanaMerak IIPollux VBeta Myamid VIIIAvalonChameleonZamphorAlpha Proxima IIIBalkos IIIGothosOnyius IINova Atar IIIMasabaLekythosShroud IVSigma Iotia IITarnak IIVesbiusJanus VIBeta Niobe IIITree of Life planetoidGamma Cygnet planetoidCentaurusRaga's PlanetEdenTheta Tau VHolberg 917GLothorTau Beta IVExcalbiaSarpeidonFeudal planetCamus IIDuwamishEphrata IVSigma Niobe IIGatewayKrasni's FollyVestalanMaltos IVOrganiaKyrosNestaAnomalyAcademyYkoArachnaeBabelEpsilon Delta IVHeartlandGothosCherelaStarbase 8 planetSyhaar PrimeThe StrandAarak IIIPhi XIUr homeworldVidenGobi IIIPacificaDolysiaGralafiLoren VGelladorn/R-775 IDengella IILloyd Zeta IXSigma Iotia IIHesperides ITombstoneWaycrossPerry's planetDelta Gamma IVTrefolgTrellisaneHoloxBoaco VIJuram VVancadiaVeletus VPollux IILeora IVPatria IMemory PrimeTalin IVI'QosCirce VGatewayMantillesMoauvPomplanceRibol IIMarpapluValeriaTaurus IIKinshasa
2270 Janus VIPhylos IIAmusement Park planetMotherlodeRock creature planetDarius IVMegas-TuTerratinVerdanisSherman's PlanetArgoDeneb VVedala asteroidDramiaDramia IIArretLactra VIIBoqu IIDelta Theta IIIPandroDengella IIBriamosFinder's planetProcrustean planetYkoBelarius IVDT-262KwettirWaasertlaMygdalus IIIArtemys 314Velat Nol/R-836 IIPillagra (R-855 III) • Polymax VIIICenotaphEmilla IIVehtora IVAnabarra colonyHollow PlanetN'caiMuldoonCoridan IIIAkladiMuddKubanSaraiCJ-884 planetStella Mudd's planetMuddTaygeta VOkeanosBeta Omicron Delta IIIZeta GibraltarYoondriEarth (alternate)Vrotii outpost planetSycoraxBaldur IIIBira IIINjuraOmne's planetVoranRazarMercanStarbase 9 planetYalboAritaniVulcanHoshan planetsTanisStarbase 9 planetAragos planetAleph PrimeAleph IIIAntos IVTakoi homeworldJinks' planetGatewayAndrosYusubEarthDenebiaVeneu IIGribbin IIKlondike VIIsitra ZeroGatewayAleriadAndoriaProxima CentauriVulcanEarthPelosTalos IVGatewayEarthStarbase 12Tomarii

Appearances[]

Reference[]

External link[]

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