Alternate timeline: Difference between revisions
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|[[Dalek]]s underwent the [[Mutant Phase]]||[[Dalek Emperor]]||[[AUDIO]]: ''[[The Mutant Phase]]'' | |[[Dalek]]s underwent the [[Mutant Phase]]||[[Dalek Emperor]]||[[AUDIO]]: ''[[The Mutant Phase]]'' | ||
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|[[Melanicus]] created the [[Millennium Wars]]||[[Fifth Doctor]], Sir [[Justin of Wells|Justin]] and [[Shayde]]||[[COMIC]]: ''[[The Tides of Time (comic story)|The Tides of Time]]'' | |[[Melanicus]] created the [[Millennium Wars]]||[[Fifth Doctor]], Sir [[Justin of Wells|Justin]], and [[Shayde]]||[[COMIC]]: ''[[The Tides of Time (comic story)|The Tides of Time]]'' | ||
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|The [[22nd century Dalek invasion]] didn't take place||[[Fifth Doctor]] and [[Nyssa]]||[[AUDIO]]: ''[[Renaissance of the Daleks]]'' | |The [[22nd century Dalek invasion]] didn't take place||[[Fifth Doctor]] and [[Nyssa]]||[[AUDIO]]: ''[[Renaissance of the Daleks]]'' | ||
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|[[Sixth Doctor|The Doctor's]] arrival on the planet [[Bixor]] to investigate the cause of its destruction, turned out to be the actual cause of its destruction||[[Sixth Doctor]]||[[AUDIO]]: ''[[The Wings of a Butterfly (audio story)|The Wings of a Butterfly]]'' | |[[Sixth Doctor|The Doctor's]] arrival on the planet [[Bixor]] to investigate the cause of its destruction, turned out to be the actual cause of its destruction||[[Sixth Doctor]]||[[AUDIO]]: ''[[The Wings of a Butterfly (audio story)|The Wings of a Butterfly]]'' | ||
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|The Herd-Leader of the Bovine travelled back in time to warn himself he shouldn't help Columbus discover America||[[Perpugilliam Brown]] | |The Herd-Leader of the Bovine travelled back in time to warn himself he shouldn't help Columbus discover America||[[Perpugilliam Brown]] and [[Christopher Columbus]]||[[AUDIO]]: ''[[Trouble in Paradise]]'' | ||
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|'''[[Cyberverse]]'''||Possibly negated when [[Evelyn Smythe]] left the [[Sixth Doctor]]||[[WC]]: ''[[Real Time (webcast)|Real Time]]''/[[AUDIO]]: ''[[Real Time (audio story)|Real Time]]'' | |'''[[Cyberverse]]'''||Possibly negated when [[Evelyn Smythe]] left the [[Sixth Doctor]]||[[WC]]: ''[[Real Time (webcast)|Real Time]]''/[[AUDIO]]: ''[[Real Time (audio story)|Real Time]]'' | ||
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|[[Deindum]] from the future conquered the galaxy||[[Bernice Summerfield]]||[[PROSE]]: ''[[Present Danger]]'', [[AUDIO]]: ''[[Escaping the Future]]'' | |[[Deindum]] from the future conquered the galaxy||[[Bernice Summerfield]]||[[PROSE]]: ''[[Present Danger]]'', [[AUDIO]]: ''[[Escaping the Future]]'' | ||
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[[Category:Other|} | |||
[[Category:Other|} | [[Category:Other|} | ||
[[Category:Other realities]] | [[Category:Other realities]] | ||
Revision as of 22:07, 24 November 2013
An alternate timeline was a reality that diverged from the "true" timeline due to the actions of time travellers or other temporal phenomena. They were different from parallel universes in that they did not separate cleanly at the point of creation resulting in the new timeline destroying the old one. (PROSE: Imperial Moon) The phenomenon was also described as an "interstitial spillage of time." (AUDIO: Project: Lazarus)
Physics
Alternate timelines could be visited accidentally by jumping a time track (TV: The Space Museum, AUDIO: The Mutant Phase) or contacting other anomalies (AUDIO: Colditz) in the Time Vortex. Deliberate travel to these timelines was possible if the traveller possessed something, such as the sigil ring, that allowed them to change time streams. (PROSE: Goth Opera)
They may have diverged from points in history when there was temporal fluctuation. The power required to adjust the timeflow and overcome temporal inertia on such a scale couldn't fit on a single planet, but beings with enough power were capable of doing so, such as Sutekh, the Guardians of Time, Rassilon, and the Chronovores. Even the Doctor or the Master could have the know-how or inclination to create them. Because the universe only had a finite amount of mass and energy to exist as one universe, the creation of an alternate timeline adversely affected the real timeline, causing chaos throughout the universe; releasing enough energy could destroy the timeline and set history back on its correct course. (PROSE: Blood Heat)
Though a timeline could be negated, memories of it could still be retained. (TV: The Big Bang, The Impossible Astronaut) Sometimes these memories were subconscious and only surfaced in dreams. (AUDIO: The Time of the Daleks, Jubilee)
Metaphysics
From a metaphysical viewpoint, alternate timelines were always being extinguished as fewer and fewer choices became open. This was particularly affected by time travellers who changed the future whenever they arrived in a new time. This was the cosmic pain of the universe and in this manner Gabriel and Tanith were personifications of the timelines that never existed. (PROSE: Falls the Shadow)
Terminology
The phrase "alternate/alternative timeline/universe" was sometimes used interchangably with "parallel universe"; however, alternate timelines usually changed after a single moment in time, whereas parallel universes usually had more than one difference from the "normal" universe.
Timelines encountered by the Doctor
Timelines encountered by others
| Timeline | Negated By | Featured in''' |
| The Seventh Doctor defeated the Vardan invasion of Earth by leaving clues for his past self | The Monk | PROSE: No Future |
| Insects of the Mind evolved as the dominant life on Earth | The existence of time travel | PROSE: Falls the Shadow |
| Britain was a conformist republic | The existence of time travel | PROSE: Falls the Shadow |
| Andrea Yates' World | alternate Andrea Yates | TV: Whatever Happened to Sarah Jane? |
| The Trickster's World | Eddie and Barbara Smith | TV: The Temptation of Sarah Jane Smith |
| Ship erased Sarah Jane Smith, Luke Smith and Clyde Langer | Adam Lloyd and Rani Chandra | TV: The Mad Woman in the Attic |
| Deindum from the future conquered the galaxy | Bernice Summerfield | PROSE: Present Danger, AUDIO: Escaping the Future |
[[Category:Other|} [[Category:Other|}
