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Memory Beta, non-canon Star Trek Wiki
Memory Beta, non-canon Star Trek Wiki



Captain's log, stardate 23:009 - Top brass studied a curious pick-up on the screen of the Enterprise's TV space scanner..."

In the Alpho Galaxy, the Enterprise detects two planets on a collision course with each other. Since such a collision would push many of the Alpho planets out of orbit, they decide to blow up one of them with hydrogen charges. Kirk, Spock and Scott beam down to the planet, which they believe to be lifeless, only to find an inhabited city there. They are captured and brought inside by the natives. Kirk explains the situation to them, and the natives of Morti reveal that they have constructed an artificial sun (which they use for only five hours each day) and have underground farms while living on the surface.

Returning to the Enterprise, the crew heads for the other planet, which has mountains made of an unknown, highly active metal. They discover that the metal has a powerful magnetic attraction with the crust of Morti, drawing it through space on a collision course. After failing to find a substance which can break the attraction, Kirk, Spock, McCoy and Scott beam down to the planet and plant atomic charges which will destroy the mountains. However, just as they are about leave, Spock notices something moving and goes to investigate, and soon they are captured and brought inside the mountains by the natives. Spock explains the situation to them, and the natives of Inicrust show them that they use the metal in the mountains to power their civilization.

Both planets now seem doomed, but Spock gets an idea and the crew returns to the Enterprise. Spock plans to use a particle of the exploded star Doona, which radiates a repelling force on materials found on both planets, to prevent the collision. Using magnetic tow lines to move the particle, the Enterprise, despite being damaged in a meteor storm along the way, saves both planets with minutes to spare.



James T. KirkLeonard McCoyMontgomery ScottSpockunnamed Inicrustsunnamed Morti natives

Starships and vehicles[]

USS Enterprise (Constitution-class)


Alpho GalaxyDoonaInicrustMorti

Races and cultures[]

HumanInicrust nativeMorti nativeVulcan

States and organizations[]

United Federation of Planets

Other references[]

diamondgalaxy minutemeteorSpace Esperantosupernovaton



  • This story has been released nine times in English and has been translated 14 times into other languages: German (3x), Portuguese (3x), French (2x), Italian (2x), Dutch, Finnish, Spanish and Turkish.
  • While other Gold Key Star Trek issues were written in two parts, each with its own splash page, this story was told in only one part.



published order
Previous comic:
#5: The Ghost Planet
TOS comics
(Gold Key)
Next comic:
#7: The Voodoo Planet
chronological order
Previous Adventure:
The Peril of Planet Quick Change
Memory Beta Chronology Next Adventure:
The Empire Man

Production history[]

December 1969 
First published by Gold Key Comics
September 1970 
Printed in hardcover in Star Trek Annual 1970 (World Distributors Limited)
Printed in Star Trek Picture Book (1973) (PBS Limited)
August 1976 
Printed in the omnibus The Enterprise Logs, Volume 1 (Golden Press)
11 June 1977 - 24 September 1977 
Serialized in Mighty TV Comic #1330 - 1345
June 2004 
Printed in the omnibus The Key Collection, Volume 1 (Checker Book Publishing Group)
The cover, two images and a quote were reprinted on Gold Key Chase Card #6 in the card set Quotable Star Trek (Rittenhouse Archives)
September 2008 
Included on The Complete Comic Book Collection DVD (Graphic Imaging Technologies)
August 2014 
Remastered in hardcover in the omnibus Gold Key Archives, Volume 1 (IDW)
16 March 2017
Remastered in hardcover in the omnibus Graphic Novel Collection #6 (Eaglemoss)


April 1972 
Portuguese: As "Quando os Planetas Colidem" in b/w in Jornada Nas Estrelas #5 (1st series) (Ebal)
October 1972 
Italian: As "Pericolo nella Galassia" in Star Trek Albi Spada #6 (1st series) (Edizioni Fratelli Spada)
29 October 1972 
French: As "Collision de Planètes" in Les Héros de L'Aventure #22 (Remparts)
1972 or 1973 
French: In the omnibus Star Trek Album #2 (Remparts)
31 March 1973 
Spanish: As "Planetas en Peligro" in TV Mundial #245 Viaje a las Estrellas (Editorial Novaro)
Finnish: As "Planeetat Törmäävät" in Avaruusmatka Star Trek #7 (Apulehti)
German: As "Planeten auf Todeskurs" in Zack Comic Box #13: Enterprise (Koralle)
December 1975 
Portuguese: As "O Planeta dos Condenados" in Diversões Juvenis Presents Jornada Nas Estrelas #29 (Special) (Abril)
17 April 1978
Portuguese: In b/w in O Caminho das Estrela #6s (Aguiar)
Dutch: In the omnibus Ruimteschip Enterprise Classics Strip-Paperback #3 (De Vrijbuiter)
German: As "Planet auf Kollisionskurs" in the omnibus Raumschiff Enterprise Comic Taschenbuch #3 (Condor)
German: As "Planet auf Kollisionskurs" in some editions of Condor Superheiden #1: Star Trek Jahrbuch (Condor-Verlag)
Turkish: In b/w digest-size in Uzay Yolu #2 (Alfa)
Italian: In the omnibus The Gold Key Collection, Volume 2 (Free Books)

External link[]