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A '''binary system''' (or '''binary star''') was a [[star system]] consisting of [[2 (number)|two]] [[star]]s.
A '''binary system''' (or '''binary star''') was a [[star system]] consisting of [[2 (number)|two]] [[star]]s.


[[Sirius]] was, as the [[Eleventh Doctor]] pointed out to [[Henry Avery]], a binary system. ([[TV]]: ''[[The Curse of the Black Spot (TV story)|The Curse of the Black Spot]]'')
[[Sirius]] was, as the [[Eleventh Doctor]] pointed out to [[Henry Avery]], a binary system. ([[TV]]: {{cs|The Curse of the Black Spot (TV story)}})


The [[Althosian system]] ([[PROSE]]: ''[[The Pit (novel)|The Pit]]'') and the [[Meson system]] ([[PROSE]]: ''[[Time of Your Life (novel)|Time of Your Life]]'') were binary star systems. [[Major (star)|Major]] and [[Minor (star)|Minor]] were the stars in the binary system which contained the planet [[Trion (planet)|Trion]]. ([[PROSE]]: ''[[Turlough and the Earthlink Dilemma (novel)|Turlough and the Earthlink Dilemma]]'')
The [[Althosian system]] ([[PROSE]]: {{cs|The Pit (novel)}}) and the [[Meson system]] ([[PROSE]]: {{cs|Time of Your Life (novel)}}) were binary star systems. [[Major (star)|Major]] and [[Minor (star)|Minor]] were the stars in the binary system which contained the planet [[Trion (planet)|Trion]]. ([[PROSE]]: {{cs|Turlough and the Earthlink Dilemma (novel)}})


[[Lucie Miller]] hoped that her first visit to another [[planet]] would be to one that had two suns. ([[AUDIO]]: ''[[Blood of the Daleks (audio story)|Blood of the Daleks]]'')
[[Lucie Miller]] hoped that her first visit to another [[planet]] would be to one that had two suns. ([[AUDIO]]: {{cs|Blood of the Daleks (audio story)}})


[[Planet]]s with two suns included [[Anubis (planet)|Anubis]], ([[TV]]: ''[[Curse of Anubis (TV story)|Curse of Anubis]]'') [[Aridius]], ([[TV]]: ''[[The Chase (TV story)|The Chase]]'') [[Caresh]], ([[PROSE]]: ''[[The Suns of Caresh (novel)|The Suns of Caresh]]'') [[Coralee]], ([[PROSE]]: ''[[Storm Harvest (novel)|Storm Harvest]]'') [[Corbo]], ([[PROSE]]: ''[[The Devil-Birds of Corbo (short story)|The Devil-Birds of Corbo]]'') [[Dido]], ([[PROSE]]: ''[[The Rescue (novelisation)|The Rescue]]'') [[Gliese 581d]], ([[TV]]: ''[[Smile (TV story)|Smile]]'') a [[Planet (Lords of the Galaxy)|devastated planet]], ([[PROSE]]: ''[[Lords of the Galaxy (short story)|Lords of the Galaxy]]'') the [[Planet (The Krotons)|planet of the Gonds]], ([[TV]]: ''[[The Krotons (TV story)|The Krotons]]'') [[Kandalinga]], ([[PROSE]]: ''[[The Fishmen of Kandalinga (short story)|The Fishmen of Kandalinga]]'') [[Lobos]], ([[PROSE]]: ''[[The Good Doctor (novel)|The Good Doctor]]'') the [[Sense Sphere]], ([[PROSE]]: ''[[The Monsters from Earth (short story)|The Monsters from Earth]]'') and [[Skaro]]. ([[PROSE]]: ''[[The Stranger (short story)|The Stranger]]'')
[[Planet]]s with two suns included [[Anubis (planet)|Anubis]], ([[TV]]: {{cs|Curse of Anubis (TV story)}}) [[Aridius]], ([[TV]]: {{cs|The Chase (TV story)}}) [[Caresh]], ([[PROSE]]: {{cs|The Suns of Caresh (novel)}}) [[Coralee]], ([[PROSE]]: {{cs|Storm Harvest (novel)}}) [[Corbo]], ([[PROSE]]: {{cs|The Devil-Birds of Corbo (short story)}}) [[Dido]], ([[PROSE]]: {{cs|The Rescue (novelisation)}}) [[Gliese 581d]], ([[TV]]: {{cs|Smile (TV story)}}) a [[Planet (Lords of the Galaxy)|devastated planet]], ([[PROSE]]: {{cs|Lords of the Galaxy (short story)}}) the [[Planet (The Krotons)|planet of the Gonds]], ([[TV]]: {{cs|The Krotons (TV story)}}) [[Kandalinga]], ([[PROSE]]: {{cs|The Fishmen of Kandalinga (short story)}}) [[Lobos]], ([[PROSE]]: {{cs|The Good Doctor (novel)}}) the [[Sense Sphere]], ([[PROSE]]: {{cs|The Monsters from Earth (short story)}}) and [[Skaro]]. ([[PROSE]]: {{cs|The Stranger (short story)}})


[[Gallifrey]] had a "second sun". ([[TV]]: ''[[Gridlock (TV story)|Gridlock]]'', ''[[Spyfall (TV story)|Spyfall]]'') [[The Monk (The Bloodletters)|The Monk]] believed that the Homeworld had not originally been part of a binary system, but had been retroactively engineered into one by [[Rassilon|He-of-Many-Epithets]] as a precaution during the [[Eternal War|war against the vampires]]: the interaction of the orbital patterns of the two suns created a shifting "interference pattern" in the daylight which meant that even [[vampire]]s resistant to ordinary sunlight could not walk on the Homeworld without burning. Because of these "mad orbital mechanics", the planet had "an unconventional day-night terminator": as the Monk put it, "the region in darkness [shrank] like an iris and close[d] like a fist". ([[PROSE]]: ''[[The Bloodletters (novel)|The Bloodletters]]'')
[[Gallifrey]] had a "second sun". ([[TV]]: {{cs|Gridlock (TV story)}}, {{cs|Spyfall (TV story)}}) [[The Monk (The Bloodletters)|The Monk]] believed that the Homeworld had not originally been part of a binary system, but had been retroactively engineered into one by [[Rassilon|He-of-Many-Epithets]] as a precaution during the [[Eternal War|war against the vampires]]: the interaction of the orbital patterns of the two suns created a shifting "interference pattern" in the daylight which meant that even [[vampire]]s resistant to ordinary sunlight could not walk on the Homeworld without burning. Because of these "mad orbital mechanics", the planet had "an unconventional day-night terminator": as the Monk put it, "the region in darkness [shrank] like an iris and close[d] like a fist". ([[PROSE]]: {{cs|The Bloodletters (novel)}})


The [[film]] ''[[Star Wars]]'' featured a scene in which twin [[sun]]s set over the [[Tatooine]] [[desert]]. ([[PROSE]]: ''[[Mission: Impractical (novel)|Mission: Impractical]]'')
The [[film]] ''[[Star Wars]]'' featured a scene in which twin [[sun]]s set over the [[Tatooine]] [[desert]]. ([[PROSE]]: {{cs|Mission: Impractical (novel)}})


[[Category:Stars]]
[[Category:Stars]]
[[Category:Astronomy from the real world]]
[[Category:Astronomy from the real world]]
[[Category:Binary systems| ]]
[[Category:Binary systems| ]]

Revision as of 20:07, 20 March 2024

Binary system

A binary system (or binary star) was a star system consisting of two stars.

Sirius was, as the Eleventh Doctor pointed out to Henry Avery, a binary system. (TV: The Curse of the Black Spot [+]Loading...["The Curse of the Black Spot (TV story)"])

The Althosian system (PROSE: The Pit [+]Loading...["The Pit (novel)"]) and the Meson system (PROSE: Time of Your Life [+]Loading...["Time of Your Life (novel)"]) were binary star systems. Major and Minor were the stars in the binary system which contained the planet Trion. (PROSE: Turlough and the Earthlink Dilemma [+]Loading...["Turlough and the Earthlink Dilemma (novel)"])

Lucie Miller hoped that her first visit to another planet would be to one that had two suns. (AUDIO: Blood of the Daleks [+]Loading...["Blood of the Daleks (audio story)"])

Planets with two suns included Anubis, (TV: Curse of Anubis [+]Loading...["Curse of Anubis (TV story)"]) Aridius, (TV: The Chase [+]Loading...["The Chase (TV story)"]) Caresh, (PROSE: The Suns of Caresh [+]Loading...["The Suns of Caresh (novel)"]) Coralee, (PROSE: Storm Harvest [+]Loading...["Storm Harvest (novel)"]) Corbo, (PROSE: The Devil-Birds of Corbo [+]Loading...["The Devil-Birds of Corbo (short story)"]) Dido, (PROSE: The Rescue [+]Loading...["The Rescue (novelisation)"]) Gliese 581d, (TV: Smile [+]Loading...["Smile (TV story)"]) a devastated planet, (PROSE: Lords of the Galaxy [+]Loading...["Lords of the Galaxy (short story)"]) the planet of the Gonds, (TV: The Krotons [+]Loading...["The Krotons (TV story)"]) Kandalinga, (PROSE: The Fishmen of Kandalinga [+]Loading...["The Fishmen of Kandalinga (short story)"]) Lobos, (PROSE: The Good Doctor [+]Loading...["The Good Doctor (novel)"]) the Sense Sphere, (PROSE: The Monsters from Earth [+]Loading...["The Monsters from Earth (short story)"]) and Skaro. (PROSE: The Stranger [+]Loading...["The Stranger (short story)"])

Gallifrey had a "second sun". (TV: Gridlock [+]Loading...["Gridlock (TV story)"], Spyfall [+]Loading...["Spyfall (TV story)"]) The Monk believed that the Homeworld had not originally been part of a binary system, but had been retroactively engineered into one by He-of-Many-Epithets as a precaution during the war against the vampires: the interaction of the orbital patterns of the two suns created a shifting "interference pattern" in the daylight which meant that even vampires resistant to ordinary sunlight could not walk on the Homeworld without burning. Because of these "mad orbital mechanics", the planet had "an unconventional day-night terminator": as the Monk put it, "the region in darkness [shrank] like an iris and close[d] like a fist". (PROSE: The Bloodletters [+]Loading...["The Bloodletters (novel)"])

The film Star Wars featured a scene in which twin suns set over the Tatooine desert. (PROSE: Mission: Impractical [+]Loading...["Mission: Impractical (novel)"])