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506 THEIL, SUBCOMMANDER THE STAR TREK ENCYCLOPEDIA: A REFERENCE GUIDE TO THE FUTURE

Kohl Physician; Shannon O'Hurley as Kohl Programmer; part of the weather control matrix developed for planet Tomas Kopachee as Viorsa. SEE: Baytart, Pablo; Chulak; Hekaras Il. (“Force of Nature” [TNG]) Clown; Galorndon Core; Kim, Harry; Kohl hibernation system; Kohl physician; Kohl programmer; Kohl settlement; thermal sweep. Directed-heat weapon used by the Enarans of Nicoletti, Susan; norepinephrine; recall subroutine; roller the Delta Quadrant, which killed by vaporizing the target coaster; Spectre; Viorsa. - (“Remember” [VGR]).

Thei, Subcommander. (Anthony James). thermoconcrete. Construction material mostly made of silicon, First officer of the Romulan warbird used by Federation starship personnel to build emergency shel that crossed the Neutral Zone in 2364, ters. Dr. McCoy used thermoconcrete to heal the wounds inflictserving under Commander Tebok. (“The ed on the Horta of planet Janus VI by Federation mining personNeutral Zone" [TNG]). nel in 2267. (“The Devil in the Dark” [TOS]). Thelev. (William O'Connell). A minor member of Andorian Ambas- ~~ thermologist. Scientist who studies the underground distribusador Shras's staff. Thelev was an Orion operative, surgically tion of geologic heat. Thermologists were used in the energy altered to appear Andorian, and planted in the ambassador's transfer from Jeraddo to planet Bajor. (“Progress” [DS3)). party to create havoc aboard the Enterprise on the way to the Babel Conference of 2267 in hopes of blocking the Coridan Thesia, Jewel of. A spectacular diamondlike gemstone, a admission to the Federation. Thelev critically injured Captain Kirk national heritage of the planet Straleb. The Jewel of Thesia was and refused to disclose the identity of the intruder vessel firing believed to have been stolen by Captain Thadiun Okona in 2365. upon the Enterprise. Thelev had orders to self-destruct, and died The jewel was later found to have been taken by Benzan of the of a slow poison shortly after the intruder vessel also destroyed ~~ Straleb as a pledge of marriage to Yanar of the planet Altec. itself. (“Journey to Babel" [TOS)). (“The Outrageous Okona” [TNG]).

Thelka IV. Planet. Captain Picard discovered a particularly Theta 116. Star system. The eighth planet of the Theta 116 sysdelicious dessert on Thelka IV. Picard re-created the dessert tem was the final destination of the ill-fated Charybdis interstelfor Neela Daren, but the couple was unable to sample the lar probe under the command of Colonel Stephen Richey. That delicacy, as duty called them away from dinner. (“Lessons” planet, first explored by a Klingon expedition, had an atmos[TNG]). phere of nitrogen and methane. Surface temperatures averaged -291 Celsius, and the surface was swept with high winds and Thelusian flu. An exotic but harmless rhinovirus. The first officer storms. (“The Royale” [TNG]). Yes, we know that -291 Celsius is of the U.S.S. Lantree was treated for Thelusian flu two days below absolute zero, and that such a temperature is therefore before that ship made contact with the Darwin Genetic meaningless. Unfortunately, the show's technical consultants Research Station on planet Gagarin IV in 2365, but Dr. Pulaski (including the authors of this Encyclopedia) missed this point of ruled out the virus’s having anything to do with the hyperacceler- basic science, so now our mistake has been immortalized. ated aging experienced by the Lantree crew after that contact “Sigh”. (“Unnatural Selection” [TNG]) Theta Cygnus Prime. Planet in the Theta Cygnus system Theoretical Propulsion Group. Starfleet (“Progress™ [DS9]). engineering design team based at the Utopia Planitia Fleet Yards on Mars. The Theoreti- Theta Cygni XII. Planet. The populacal Propulsion Group was largely responsible - tion of Theta Cygni Xl suffered mass Wide for the development of the warp engines for insanity caused by the Denevan : hr the Galaxy-class starships in the early “ LP) 4 neural parasites. (“Operation— 2360s. Dr. Leah Brahms was a junior team LY Annihilate!" [TOS]). Theta Cygni was Bi ? member during that project. (“Booby Trap” struck sometime between 2067 (when . \ [TNG]). By 2367, Brahms had been promoted 4 Levinius V was infested) and 2265 to senior design engineer. (“Galaxy's Child" (when Ingraham B was attacked). [TNG]). Theta VII. Planet. Location of a colony that desperately required theragen. Biochemical weapon used by the Klingon military, a vaccines being transported by the U.S.S. Yorktown on stardate nerve gas that is instantly lethal if used in pure form. Dr. McCoy 3619. The U.S.S. Enterprise was unable to make a scheduled prepared a diluted form of theragen mixed with alcohol to dead- rendezvous with the Yorktown because of an encounter with the en certain nerve inputs to the brain in an effort to prevent mad- deadly dikironium cloud creature. After the cloud entity was ness in the Enterprise crew caused by exposure to spatial inter- destroyed, the Enterprise was able to transport the vaccines to phase in 2268. (“The Tholian Web" [TOS]). the colony. (“Obsession” [TOS]). thermal deflector. Protective force field. theta designation. In the mirror universe, an Alliance classificaUsed on planet Bersallis Ill to shield the tion given to Terran workers who had earned a certain degree of Federation outpost from a Bersallis trust. Thetas were allowed to work unsupervised and were firestorm. (“Lessons” [TNG]). SEE: afforded certain privileges. Miles O'Brien (mirror) had a theta Daren, Neela. designation. (“Crossover” [DS9)). thermal interferometry scanner. Device for measuring dis- theta flux distortion. Spatial phenomenon. The Enterprise-D's tances by comparing interference of thermal gradients. sensors were not designed to detect theta flux distortions. Such (“Imaginary Friend" [TNG]). distortions can rupture warp cores if they grow large enough and come in contact with a ship. (“Emergence” [TNG]). thermal inversion gradient. Atmospheric phenomenon in which a mass of warm air is trapped beneath a layer of cooler air. theta radiation. Hazardous form of ionizing energy. Theta radiaThermal inversion gradients can give rise to electrodynamic tur- tion is deleterious to humanoids, but in moderate doses, its bulence. (“Innocence” [VGR]) effects were treatable. In 2063 a Borg attack damaged Zefram Cochrane's warp ship, the Phoenix. It suffered damage to its thermal stabilizers. Devices used in artificial planetary atmos- throttle assembly, causing a theta radiation leak. (Star Trek: First pheric control systems. Thermal stabilizers were employed as Contact)